Showing posts with label hypertension. Show all posts
Showing posts with label hypertension. Show all posts

Why Fried Food Is Not Good For Older Women?

Every year, stroke affects nearly 800,000 people in the United States. It is the 4th leading cause of death in the United States.

A stroke, also known as a cerebrovascular accident (CVA), is the loss of brain functions because the blood supply to the brain is disturbed. Both ischemia (lack of blood flow) caused by blockage or hemorrhage (leakage of blood) could cause a stroke.

In a paper published on March 1, 2012 in the ‘Annals of Neurology’, researchers from University of North Carolina found that older women who ate high amounts of transfer fats found in fried foods and baked goods were at a greater risk of stroke than women who ate less fatty diets.

Data was taken from a large study on eating habits of 87,025 post-menopausal women, who aged between 50 and 79. These women were generally in good health at the time of enrolment.

The findings showed that women who ate diets high in trans-fatty acids (6.1 grams a day) had a 39 percent higher risk of stroke due to a blocked artery than women who ate 2.2 grams of trans-fatty acids per day. However, researchers did not find any significant association between stroke risk and how much total fats women ate, or their level of dietary cholesterol. They also found that aspirin could help lower the risk of stroke among post-menopausal women.

While the availability and consumption of trans fat have declined in the United States as a result of banning by public health and legislation campaign for the use of trans fat in many fast food restaurants and in food preparation, trans fat has not completely disappeared.

Trans fat commonly occurs in foods because of partial hydrogenation, a food processing method in which a liquid vegetable oil is transformed into a solid fat. Trans fat can lower the good cholesterol (high-density lipoprotein, HDL) and raise the bad cholesterol (low-density lipoprotein, LDL). This could in turn raise the likelihood of getting hypertension (high blood pressure), heart disease and of course stroke.

As such, researchers suggested that older women should adopt a diet low in trans fat and should also take aspirin to help lower their risk of stroke, especially at the onset of menopause.

On the other hand, health experts not involving in the study argued that it is possible that women who ate a lot of trans fat were also unhealthy: the might have less physical activity, smoke and have higher level of diabetes. Therefore, they recommend these women should have a balanced diet avoiding trans fat and including healthy oils and daily physical activity. They believed this would help prevent stroke and other lifestyle related disease including heart disease and hypertension.

It‘s Only The Calories Count, Not Source!

There is undoubtedly that overweight and obesity can bring along many unwanted ailments including high cholesterol, hypertension (high blood pressure), heart disease, stroke and even certain types of cancer. People who are overweight or obese will start to adopt different kinds of diet plan to help them reduce weight.

Different diet plan will have their own specified proportion of fat, carbohydrates and protein. It seems, however, that weight loss does not really depend on the source of the calories.

Researchers from Pennington Biomedical Research Center in Baton Rouge, Louisiana reported on January 18, 2012 in the ‘American Journal of Clinical Nutrition’ that there were no differences in weight loss or the reduction of fat between 4 diets with different proportions of fat, carbohydrates and protein. It is adherence that matters. Those participants who adhered better lost more weight than those who did not.

As shown in earlier research, certain diets like those with very low carbohydrates work better than others though there has been no consensus among researchers.

Participants were assigned to 1 of the 4 diets: Average protein, low fat and higher carbohydrates; High protein, low fat and higher carbohydrates; Average protein, high fat and lower carbohydrates; High protein, high fat and lower carbohydrates. All the diets were designed to reduce 750 calories a day.

Their weight, fat mass and lean mass were checked after 6 months and again at 2 years after starting the diets. At 6 months, participants lose more than 4.1 kilos of fat and approximately 2.3 kilos of lean mass, though they regained some of these at the 2-year mark. Nevertheless, people who managed to adhere to their diet were able to keep a weight loss of more than 3.6 kilos after 2 years including a nearly 1.4 kilos loss of abdominal fat, a drop of more than 7 percent.

During the 2-year period, many of the participants dropped out and those who completed it did not have the diets exactly the same as what had been assigned.

For instance, all the 4 diet groups ended up getting about 20 percent of their calories from protein after 2 years. This was quite different from what the researchers had hoped for: 2 diet groups get 25 percent of their calories from protein and the other 2 groups get 15 percent of their calories from protein.

The findings suggested that all diet plans can work and it is adherence that can help the weight loss success. People should choose the diet that is comfortable for them.

More Women Are Affected By Heart Disease!

It is thought that heart disease is more common among men. But as what NIH (National Heart, Lung and Blood Institute) has announced, heart disease is the number one killer of women in the United States and it is also a leading cause of disability among women.

Heart disease, rather than breast cancer, has become the number one killer for women in Malaysia. The statistics provided by the Heart Foundation Malaysia (HFM) showed that 1 in 3 women died of heart disease while only 1 in 8 women died of breast cancer. In fact, heart disease is the major cause of death in government hospitals, which accounted for about 25 percent of all deaths.

In Goa, a state in India, 10 to 11 percent of the population is being hit by heart diseases. While heart disease is spread across the genders, women seem to be leading and this is a situation that has never prevailed in Goa. Initially, heart disease was restricted to the age group above 50 years but now people between 30 and 40 are diagnosed with heart disease.

According to cardiac experts, more women die of heart disease especially after menopause when the oestrogen level in their body changes. When one grows older, the risk of getting heart disease also rises. However, the latest trend does show that those below the age of 40 have also developed heart disease due to their unhealthy eating habits, smoking and alcohol consumption. Other modifiable risk factors include high cholesterol level, high blood pressure, diabetes, obesity and stress.

It is important that the younger adults should adopt a healthy lifestyle by avoiding alcohol consumption and smoking, having a balanced diet, exercising at least 30 minutes or getting for a brisk walk everyday and learning how to handle stress.

People could lower their high cholesterol risk factor by consuming low cholesterol food items and avoiding food high in animal fat like dairy products, egg yolk, coconut milk and seafood except fish. People should also consume less salt, sugar and oily food to lower other risk factors such as hypertension (high blood pressure) and obesity.

Sleep Enough To Prevent Weight Gain!

People become overweight or obese because of many reasons. For instance, they might eat too much foods rich in saturated fats or they consume more calories than their bodies require. Most importantly, they do not have enough physical activities.

Once a person becomes overweight or obese, he or she is at a higher risk of developing hypertension (high blood pressure), heart disease, stroke and Type-2 diabetes.

As revealed by previous studies, lack of sleep can also lead to weight gain. Inadequate sleep could raise the hormone ghrelin that signals when to eat, and reduce hormone leptin that tells to stop eating. People who do not have enough sleep have less leptin and more ghrelin. Such imbalance of hormones can drive people to keep on eating.

On June 13, 2011, researchers from Harvard Medical School and McLean Hospital in Belmont, Mass reported at a meeting of the Associated Professional Sleep Societies in Minneapolis, Minn that people suffering from sleep deprivation are likely to be attracted to high calorie foods because these foods provide a sudden but not sustainable burst of energy.

In a paper that was published in the ‘American Journal of Clinical Nutrition’ in May 2011, researchers from Uppsala University in Sweden found that sleep deprivation could slow down metabolism causing the body to use less energy. The European study showed that lack of sleep not only cause weight gain but also slow the rate at which calories are burnt.

The explanation is that a one night of sleep deprivation could acutely reduce energy expenditure in healthy men, which suggests that sleep can regulate daytime energy expenditure in humans. The researchers therefore argued that getting plenty of sleep might prevent weight gain.

In the study, 14 male university students went through a series of sleep conditions, namely curtailed sleep, no sleep, and normal sleep, over several days. Measurements were recorded for the changes in how much they ate, their blood sugar, hormone levels and indicators of their metabolic rate.

Analysis indicated that even a single night of sleep deprivation slowed metabolism the next morning, reducing energy expenditure for tasks like breathing and digestion by 5 to 20 percent, compared with the morning after a good night's sleep. The young men also had higher morning levels of blood sugar, appetite-regulating hormones such as ghrelin, and stress hormones such as cortisol after sleep disruption.

To help people get more sleep, experts’ advice is to try to go to bed an hour earlier each night, limit caffeine and alcohol, and try to exercise 5 to 6 hours before bed.

How Can Mothers’ Work Status Be Linked To Childhood Obesity?

Childhood obesity epidemic has long been a headache for most countries around the world. Obese children are likely to be fat as they become adults and they are therefore facing a higher risk of developing Type-2 diabetes, hypertension (high blood pressure), stroke and heart disease.

Many factors can lead to childhood obesity, and one of them is mothers’ work status. Researchers from Melbourne's Murdoch Children’s Research Institute together with the University of New England and the Australian National University carried out a study to find out whether the childhood obesity epidemic was linked to mothers' increased participation in the workforce. They published their findings on March 3, 2010 in the ‘Journal of Social Science and Medicine’.

The researchers examined the weight and lifestyle of some 2,500 children when they were 4 or 5 and again when they were 6 or 7. They revealed in their report that between 18 and 20 percent of children were either obese or overweight.

According to the findings, mothers who work part-time were more likely to have healthier children than those who worked full-time or who were not working at all. These children watched less television, ate fewer snacks and were more physically active. On the other hand, mothers with full-time jobs might not have enough time to encourage physically active play or prepare home-cooked meals.

Nevertheless, the researchers cautioned public that the findings might oversimplify actual situation. For example, stay-at-home mothers might be difficult to juggle family time when there is more than one young child at home.

While the study indicated that work status indirectly contributed to children’s lifestyle, some health experts argued that these things are controllable. Whether the mothers are working, they could still control how much television their child watches and what types of snacks they can eat. Others quoted parental distress, postpartum depression and lack of social support as variable that could account for children having less-healthy lifestyles.

More Pregnant Women Are Having Strokes!

It is unlikely that women would have stroke during pregnancy or shortly after giving birth. However, researchers from Centers for Disease Control and Prevention's Division for Heart Disease and Stroke Prevention in Atlanta, Georgia have spotted a big jump in such events over the past 12 years.

The findings, which were published on July 28, 2011 in ‘Stroke’ (Journal of the American Heart Association), showed that there was a total of 4,085 pregnancy related stroke hospitalizations in the United States during the period between 1994 and 1995, and that number rose 54 percent to 6,293 between 2006 and 2007. The data used in the study came from a large national database of 5 to 8 million discharges from 1,000 hospitals.

Some increase was expected, but the figures found in the findings indeed surprised the researchers. Overall incidence is still low as latest data indicated that just three-quarters of a percent of women in America had a stroke during pregnancy or within 3 months of giving birth.

One factor could be responsible for the rise is that more women are overweight when they become pregnant, which can raise the likelihood of complications from diabetes and high blood pressure. Nevertheless, it was wished that more research should be designed and carried out to find the cause of the rise.

Stroke risk is usually low for a relatively healthy person. As pregnancy by itself is a risk factor for stroke and more pregnant women already have some kind of risk factor for stroke like obesity, hypertension (high blood pressure), diabetes or congenital heart disease, the overall risk will simply be doubled.

It was also observed that doctors do not have enough guidance on the best medication for pregnant women, especially for those with an increased risk for stroke. This is because norms on clinical studies usually exclude pregnant women in clinical trials as most drugs pose a hazard to the unborn fetus.

The researchers suggested developing a comprehensive, multidisciplinary plan that would enable doctors and patients to follow guidelines that could accurately monitor and provide care before, after and during childbirth.

Another Cause For Children Obesity!

Childhood obesity is a serious issue as obese children are at a much higher risk of developing many chronic diseases including diabetes, heart disease, hypertension (high blood pressure), stroke and even certain types of cancer later in their life.

Sedentary lifestyle and unhealthy diet have been crowned as the main culprits responsible for childhood obesity. However, researchers from Temple University had recently found a new cause.

In a paper published in the ‘Journal of Pediatrics’, they reported that toddlers who still drank from bottles at age of 2 were 33 percent more likely than other children to be obese at the age of 5.

Of the 6,750 children studied, 1 in 5 was still using a bottle at the age of 24 months, either at night or all the time. For those who were long-term bottle users, roughly 1 in 5 was obese at the age of 5, comparing to about 1 in 6 that has been weaned earlier.

After looking into other factors that could affect a child's risk of obesity, including mother's weight, family income and education, and if the child had ever been breastfed, the researchers found that prolonged bottle-feeding by itself could induce a 33 percent increase in children's risk of obesity.

According to researchers, the bottle might be providing a source of comfort, rather than meeting nutritional needs. Nevertheless, the extra calories could be substantial. For instance, for an average 2-ear-old girl, an 8-ounce bottle of whole milk fed at bedtime would provide 12 percent of her calorie needs for the day.

Though the findings could not conclude long-term bottle-feeding is directly responsible for the increased risk of obesity, they did suggest that weaning babies around 12 month old could help prevent weight gain.

In fact, pediatricians already advise parents to wean their children when they are about 12 to 14 months old, or even earlier. This is mainly because extended bottle-feeding, especially overnight, is believed to boost the risk of cavities and might contribute to iron deficiency.

Why Should Junk Food Advertisements Be Banned?

Children obesity has been a headache for not only developed but also many developing nations. Overweight or obese children will have a higher risk of developing chronic diseases like hypertension (high blood pressure), heart disease, Type-2 diabetes and stroke later in their life.

Inadequate physical activity and unhealthy diet are the 2 main reasons identified by health experts that cause the childhood obesity. Children tend to watch long hours of television and eat a lot of junk foods.

In a paper published in June 2011 in the journal ‘Pediatrics’, researchers from the University of Liverpool in the United Kingdom reported that television advertisements for junk food really make children hunger for those treats, especially if they watch a lot of television.

A DVD featuring commercials for fast food and junk food seemed to stimulate the appetites for sweet and high fat fare for children aged between 6 and 13 years old.

The children involved in the study had a greater desire for sweet and fatty foods after viewing the junk-food advertisements compared to days when they watched advertisements for toys. This was especially true for those children who watched a lot of television (defined in the study as over 21 hours a week).

While children wanted more high carbohydrate, high fat foods after watching junk food advertisements, the effects of the advertisements were modest. The researchers argued that in real life, a lot of other factors like parents’ willingness to buy those junk foods could affect the choice of food for the children.

Exposure to television food commercials would enhance high television viewers' preferences for branded foods and increased reported preferences for all food items (branded and unbranded) relative to the low television viewers, according to the researchers.

Children nowadays watch television not only at home but also on their computers as well as mobile phones, which can add up to a lot of hours. There is no doubt that parents should limit the television time of their children, but of course with some help. This is because parents alone cannot counter the food companies who spend huge amount (about $2 billion) every year on fun and irresistible advertisements aiming at kids.

Perhaps it is time for legislation and any relevant authorities to step in!

How Is Waistline Linked To Stroke?

Cerebrovascular disease is a group of brain dysfunctions related to disease of the blood vessels supplying the brain, with hypertension (high blood pressure) being the most important cause. Results of cerebrovascular disease can include a stroke, or occasionally a hemorrhagic stroke.

In Taiwan, cerebrovascular disease ranked third in the 10 leading causes of death, showing stroke could be the immense threat for the health of Taiwanese.

Scientists have found the link between waistline and heart disease. But how about stroke, does it also has some connection with the waistline?

According to a study conducted by the Millennium Health Foundation (MHF) in Taiwan, a one-centimeter increase in waistline raises the likelihood of getting a minor stroke by 2 percent.

Minor stroke, also known as transient ischemic attack (TIA), is a condition showing stroke-like symptoms that generally last for just a few minutes and do not cause any lasting impairment. TIA is, however, a warning sign of possible serious and disabling strokes. Research showed that about one in 20 people who have a TIA will have a major stroke within a few days and one in 10 will have one within 3 months.

From the data collected and released in 2010 by MHF, among 40 percent of the people whose waistlines exceeded the standard range, 70 percent of men and 60 percent of women, had abnormal blood pressure that could possibly lead to stroke. Such result showed the existence of a strong positive correlation between waistline and possibility of getting a minor stroke.

When people enter middle age, they will have their waistline increased by around 10 cm on average, the increase in probability of suffering a minor stroke will therefore amount to 20 percent. Once a person suffers a minor stroke, the chances that he or she would get a severe stroke afterwards is 10 times that of a person without a prior minor stroke.

In order to prevent stroke, MHF suggests people should limit their waistlines to a maximum of 90 cm for males and 80 cm for females.

Another Way To Control Weight

Overweight and obesity are big headache for health experts around the world as these 2 conditions will likely raise a person’s risk of getting diabetes, high cholesterol, hypertension (high blood pressure), and eventually lead to heart disease or stroke. The medical cost involved can be a heavy burden for the governments.

In order to control body weight, one should watch the amount of food he or she eats. Numerous studies have looked at how the portion size can affect on the amount people eat. A new study, conducted by researchers from University of Utah, Salt Lake City, examined at how the bite size will influence the quantities ingested.

In their paper published in July 2011 in the ‘Journal of Consumer Research’, they argued that bigger bites lead to eating less, but only in restaurant settings.

The study was carried out in a popular Italian restaurant in the South-Western United States. 2 sizes of forks were used to manipulate bite sizes: a larger fork that held 20 percent more food than the fork usually used in the restaurant, and a smaller fork that held 20 percent less than the usual one. It was found that diners who used large forks ate less than those who used small forks.

Tables were furnished with either large fork or small fork over 2 lunches and 2 dinners in the restaurant. Servers, including one of the study's researchers, took customers' orders, and weighed the full plate of food that they had ordered before serving it to them.

Each plate was attached with a small sticky note written with details including weight and other information. At the end of the meal, every plate was brought back to the kitchen and weighed again. The results showed that diners who used the bigger fork ate less food than those who used the smaller fork.

Such theory, however, only worked in a restaurant setting. In another study conducted in the laboratory using also Italian food, researchers found that people who used big forks actually eat more. Hence, the study concluded that there are different motivations when people eat in a restaurant or a laboratory.

If you wish to control the amount you eat, perhaps you should ask for or simply bring along a big fork the next time you visit an Italian restaurant!

Why People Have Hypertension?

Hypertension, more commonly known as high blood pressure, could lead to hardening of arteries (atherosclerosis) and development of heart failure. That is why it has long been regarded as a major risk factor for heart disease. According to World Health Organization (WHO), around a billion people worldwide, including more than 200 million Chinese, suffer from hypertension.

When the cause of hypertension can be identified, the condition is called secondary hypertension. Kidney disease is the highest risk factor for this type of hypertension. For majority of the hypertensive patients, the causes are not known, though several factors including smoking, high salt intake, stress, sedentary lifestyle, overweight or obese, high alcohol consumption, aging and genetics are believed to play an important role. This kind of hypertension is known as essential hypertension.

Recently, researchers from Beijing Chaoyang Hospital’s Cardiology Center identified a common virus known as human cytomegalovirus (HCMV) that could be responsible for causing hypertension. HCMV infects most adults but is repressed by the body’s immune system and rarely causes any symptoms. Their findings, which linked HCMV to essential hypertension, were published in August 2011 in the medical journal ‘Circulation’.

Such findings might present a new strategy for preventing and treating cardiovascular disease. However, the researchers pointed out that their research was still in its early stage and more tests with a wider scope of patients should be carried out. Once conclusive evidence of the relationship is obtained, better medical vaccines and remedies for hypertension could then be made available to treat millions of patients around the world.

Another recent study conducted by the Tulane University School of Public Health and Tropical Medicine in New Orleans found that hypertension plays a part in 2.3 million cardiovascular deaths in China each year. Among these victims, 1.3 million were premature deaths. This means that victims died before the age of 72 in men and 75 in women, the average lifespan in China in 2005.

What Are The Causes of Preeclampsia?

Preeclampsia is a medical condition in which a pregnant woman, who has previously had normal blood pressure, develops hypertension (high blood pressure) and has significantly high amount of protein in her urine. If this condition is not treated, it could lead to serious and even fatal complications for both the mother and the baby.

When one has preeclampsia, the only cure is delivery of baby. However, if this woman were diagnosed with the condition too early in the pregnancy, she and her doctor would face a dilemma. The baby needs more time to mature but the mother needs to have delivery to avoid serious complications to her and her baby.

Even if the mother and the baby survive, the mother could later have a higher risk of high blood pressure, heart disease, stroke and diabetes. Meanwhile, the baby is often born prematurely and can suffer complications later in life.

Researchers from Britain's Cambridge and Nottingham Universities announced that they have discovered a mechanism that raises blood pressure in preeclampsia and argued that their work might help the search for new drugs for hypertension. They also believed that they had deciphered the first step in the main process that controls blood pressure: release of a hormone known as angiotensin, from its source protein, angiotensinogen. Their findings were published in the journal ‘Nature’ in October 2010.

Drugs currently used to treat high blood pressure include ACE inhibitors that block the production of angiotensin or angiotensin receptor blockers (ARB), which prevents angiotensin from taking effect in the body once it is released. These drugs work well for standard hypertension but the pregnant women could not take these drugs because they are potentially dangerous to the developing baby.

The study, primarily focused on preeclampsia, also opened new leads for future research into the causes of hypertension in general. According to the World Health Organization (WHO), hypertension itself is the biggest risk factor for causes of death worldwide. Hypertension is also a risk factor for heart disease.

The cost of treating pregnant women with preeclampsia is estimated to be $45 billion a year in the United States, Europe, Asia, Australia and New Zealand. An estimated 75,000 women in developing countries die of it each year.

Is Video Game Really Bad For Children?

Video game, together with other screen-based entertainments like TV and DVD watching, as well as leisure time computer use, has long been accused as one of the culprits that cause children obesity.

Does this mean that children should be totally banned from playing video games? Researchers from Baylor College of Medicine might have a different perspective, as they believed video games could be used to encourage kids to eat healthier foods.

Their study, which was conducted in the United States, found that children who played certain video games increased the amount of fruit and vegetables they ate each day by around one serving. In the United States, nearly one in five 6- to 19-year-olds is obese. The findings were published on December 7, 2010 in the ‘American Journal of Preventive Medicine’.

The 2 video games used in the study were "Escape from Diab” and “Nanoswarm" designed by Archimage to change diet and physical activity behaviors to reduce the risk of becoming obese and diabetic. Archimage is a Houston-based visual arts studio using its experience in computer-based architecture to specialize in serious video game development for the medial research community.

“Escape from Diab” and “Nanoswarm” were designed as epic video game adventures that are comparable to commercial quality video games. A broad diversity of behavior change procedures was incorporated into the games, which can really motivate players to substantially improve diet behaviors.

Obese children are more likely to grow up to be obese adults, to suffer from many chronic diseases including diabetes, heart disease, hypertension (high blood pressure), stroke and fatty liver disease, and to die prematurely of any cause, as shown by numerous studies.

The finding is definitely a useful step towards fighting childhood obesity because increasing intake of fruit and vegetables could reduce the risk of obesity.

But, researchers also pointed out that while there was increased intake of health foods, children still failed to consume the minimum daily amount of fruit and vegetables recommended by doctors. What worrying them most is that children did not get enough physical exercise. According to health professionals, children should eat 5 servings a day of fruit or vegetables and get an hour of moderate to vigorous exercise.

Though serious video games hold promise, the researchers still felt that their effectiveness and mechanisms of change among youth need to be more thoroughly investigated.

Eat Less Fructose To Prevent Hypertension!

Dessert is usually a sweet course of dish served at the end of a meal. It includes cake, cookie, gelatin, pastry, ice cream, pie, and candy. Dessert is not only liked by children but also favored by many adults especially females.

Besides dessert, many of our daily diet can also be laden with excessive sugar. For instance, sugary or soda drinks are popular among teenagers and many young adults. Most of these sweetened drinks contained the popular high-fructose corn syrup (sometimes called corn sugar). Fructose can be found naturally in fruit and table sugar and that is why it is also called fruit sugar.

Well, lovers of sugary drinks and sugar-laden foods should pay attention to results of a study conducted by scientists from the United States, who reported that consuming a lot of foods and drinks sweetened with fructose might significantly increase the risk of developing hypertension (high blood pressure).

The study was published on July 1, 2010 in the ‘Journal of the American Society of Nephrology’ by researchers from the University of Colorado Health Sciences Center in Denver. They found increased rates of borderline high blood pressure for people who consumed at least 74 grams of fructose a day (about 4 bottles of soda).

American Heart Association (AHA) also warned that having too much sugar of any kind can cause people gain weight and this could in turn lead to diabetes, heart disease and stroke.

While scientists have yet to find out the exact reason why fructose would raise blood pressure, some experts suspected that fructose has the potential to reduce production of nitric oxide within the blood vessels.

Nitric oxide, which is known to relax the vessel, is supposed to lower blood pressure. But fructose reduces the production of nitric oxide and makes it difficult for the vessels to relax and dilate.

Meanwhile, fructose also raises uric acid in the blood that could raise blood pressure. Fructose can signal the kidneys to 'hold onto' more salt, and that can contribute to high blood pressure.

Let Garlic Help You Lower Hypertension!

While garlic is widely used as a seasoning or condiment, it has also been used as a remedy for infections, digestive disorders and fungal infections. In fact, traditional Indian Ayurvedic medicine practitioners have been using garlic to prevent high blood pressure for centuries. Meanwhile, many past studies also linked it to prevention of cancer and heart disease, and reduction of blood sugar.

A 12-week trial involving 50 patients that was conducted by Australian researchers from University of Adelaide reported that people with hypertension (high blood pressure) who took 4 capsules a day of a aged garlic extract had their systolic blood pressure reduced by around 10 mmHg, as compared with those who were given a placebo. The findings were published in October 2010 in the scientific journal ‘Maturitas’.

A placebo is a sham or simulated medical intervention that is commonly used in medical research. It is given as control treatments and can be inert tablets, sham surgery and other procedures based on false information.

However, the researchers pointed out that garlic, if it is taken in any other way, for instance, raw, fresh or in powdered form, does not have the same effect. When fresh garlic is cooked, its ingredient that is responsible for lowering blood pressure simply disappeared.

Though this was not the first study to examine the beneficial property of garlic, it was the first study to assess the impact of aged garlic extract that was evaluated as an additional treatment to other high blood pressure drugs, as claimed by the researchers.

Hypertension is a risk factor for coronary heart disease, stroke, heart failure, kidney failure, peripheral vascular disease and many other medical conditions. Globally, about 1 billion people have hypertension, which also affects about 1 in 3 adults in the United States. If hypertensive patients can have their blood pressure normalized, the risk of getting heart disease and stroke could be reduced.

Nevertheless, as garlic has blood-thinning effect and might interact with many drugs, it is advisable for patients to seek advice from qualified health practitioners or doctors before taking any garlic supplements.

Why You Should Take It Easy?

Many management experts believe personality plays an important role in career advancement. For one to excel, he or she has to be confrontational, especially competitive and even aggressive. However, if you belong to this class of people, perhaps, you should take it easy from now onwards.

This is because a study by researchers from the National Institute on Aging (NIA) found that these types of people are at a higher risk of heart attack and stroke. Their findings were published on August 16, 2010 in ‘Hypertension’, Journal Of The American Heart Association (AHA).

5,614 residents, aged between 14 and 94 (on average 42), of 4 villages in the Italian Mediterranean island of Sardinia were examined. 58 percent of the residents were female.

The participants were asked to fill in a questionnaire that was a modified version of the NEO, a popular five-factor personality assessment questionnaire. People who marked themselves as aggressive on the questionnaire were at a higher risk to suffer from thickening of the neck arteries than those who were marked as affable or accommodating.

3 years later, those who scored higher on antagonism, especially those who were manipulative and expressed anger quickly, continued to have thickening of their artery walls. And for people who were the most antagonistic, the chance that they would get thicker arteries were about 40 percent higher.

Ultrasound technology (non-invasive ultrasonography) was utilized to measure arterial wall thickening, which is a sign of ageing that could predict future cardiovascular disease. It is known as intima-mediat thickness (IMT), a predictor for heart attack and stroke. The measurements taken in the study were on participants’ IMTs of the carotid artery, which supplies most of the blood to the brain, were measured.

According to the researchers, people who had high score on antagonism tend to be distrustful, skeptical and at the extreme arrogant, cynical, express anger quickly, manipulative, and self-centered, while people who are agreeable tend to be trusting, straightforward and care for others.

The new finding undoubtedly supports the fact that negative psychological factors do have a great impact on a person’s health as much as lifestyle and smoking.

A New Risk Factor for High Cholesterol!

Bad cholesterol refers low-density lipoprotein, or LDL. A person with high LDL is at high risk of developing heart disease, hypertension (high blood pressure), and stroke.

High fat diet and lack of physical activity could be 2 of the common causes for getting high LDL. But United States researchers from West Virginia University recently found that chemicals used to make non-stick coatings on cookware and to waterproof fabrics might increase cholesterol levels in children. Their findings appeared on September 6, 2010 in the Archives of Pediatrics & Adolescent Medicine.

In the study, children with highest levels of these chemicals in their blood had higher levels of total cholesterol and LDL, compared with children with lower readings.

The 2 chemicals studied were perfluorooctanoic acid (PFOA) and perfluorooctanesulfonate (PFOS). They enter into people through air and occupational exposure, breast milk, cord blood, drinking water, dust, food packaging, and microwave popcorn.

Studies in animals had suggested that perfluoroalkyl acid, which is a known neurotoxin, could affect the liver ad so result in changes in cholesterol levels. Perfluoroalkyl acid could interfere with brain development, which leaves its mark on later behavioral functions such as cognitive performance.

The cholesterol levels in blood samples, taken from more than 12,000 children in the mid-Ohio River who had PFOA in their drinking water, were examined. These children and teens had more PFOA in their bodies than the national average, and a PFOS concentration about the same as the national average.

After analyzing the data, it was found that children and teens with the highest PFOA concentration had total cholesterol levels that were 4.6 points higher and LDL levels that were 3.8 points higher than those with the lowest PFOA levels.

Nevertheless, the researchers admitted that their findings only indicated there is a link between the compounds and higher cholesterol. They suggested more studies should be carried out to prove chemical exposure was the cause.

Should Obese Be Called Fat?

Obesity epidemic has been a worldwide issue not only in developed and wealthy countries but also among many developing countries. For example, the United Kingdom (UK) has one of the highest obesity rates in Europe, with the level steadily increased over the last 10 years. According to the Department of Health in UK, almost 25 percent of adults and 14 percent of children were classified as obese in 2008.

An obese is a highly possible victim of many chronic diseases including Type-2 diabetes, high blood pressure (hypertension), heart cholesterol, heart disease, atherosclerosis, stroke and certain types of cancer.

Authorities and health community have utilized all ways and means to curb the growing obesity epidemic. Recently, a government official in Europe has even suggested to call people who are obese as “fat” to motivate them to lose weight. The reason quoted by this official is that calling an obese “fat” could encourage this person to take personal responsibility for his or her lifestyles.

Most doctors and health workers tend not to use the word “fat” as they feel this will stigmatize people who are overweight or obese. However, this official believes that people will only start paying attention when they are called “fat”, and not “obese”. Patients will start doing losing weight only when they have true information about themselves.

Some doctors agreed with the official as they felt doctors need to be honest with their patients rather than telling them what they love to hear. To some doctors, the term “obese” seems to medicalize the state, and makes it a third person issue. Sometimes, for the sake of patients, doctors just need to be more brutal and honest.

Nevertheless, there were objection from other medical professionals against what the official advocated. They felt that people just do not want to be offensive. Calling a person “fat” will more likely to disgrace and harm that person. They also pointed out that obesity is something that happens to people rather than something they are. As such, they suggested using the term “obesity” to encourage patients to think about the condition in a different way.

While the approach might be different, the aim is still the same: to encourage the patient to lose weight so that he or she can be healthy. The best approach, perhaps, still depends on the relationship the doctor has with the patient and the doctor should make their judgment on a patient-by-patient basis.

Can Smoking Relieve Stress?

Numerous studies have shown that smoking and secondhand smoke are linked to many medical disorders including cancer, heart disease, hypertension (high blood pressure), and stroke. So quitting smoking would certainly be beneficial to both smokers and people around them.

Interestingly, many smokers have claimed that lighting up a cigarette can actually help them reduce the stress they have. This is probably a fairly good reason for millions of smokers to light up their cigarettes again even after quitting.

But studies have found otherwise. In reality, smoking has the entirely different effect. Instead of reduced, the long-term stress levels will be raised among smokers. In fact, smokers can have their stress relieved only when they quit smoking.

In a paper published on June 7, 2010 in the journal “Addiction”, researchers from the London School of Medicine and Dentistry found that smokers who stopped lighting up cigarettes had a significant larger reduction in perceived stress.

A total of 469 people, who attempted to quit smoking after being hospitalized for heart disease, were examined. At the outset, the participants had similar stress levels and about 85 percent of these people generally believed that smoking helped them cope with the stress they had.

After a year, 41 percent of the participants managed to quit smoking completely and their perceived stress levels were reduced by about 20 percent, whereas patients who continue smoking showed little change in their perceived stress levels.

Obviously, the findings supported the theory that smoking can actually contribute to stress among some people. But why do smokers still think that lighting up a cigarette could help them relieve stress?

According to researchers, when smokers are refrained from smoking, they tend to feel more and more edgy, irritable and uncomfortable as the period lengthens. A cigarette would more or less help them get through the stressful state. This is probably the main reason smokers think that smoking help them reduce stress.

Therefore, smoking can relieve stress is actually a myth, at least in the long term.
 
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