Heart disease

Study confirms ‘he hormone’ link to heart attacks

Heavily promoted male hormone products may be sending men flocking to stores, but their next stop may be the emergency room, according to a new study published Wednesday.

The research confirms earlier studies that show men with heart disease double their risk of heart attack soon after they start using testosterone gels or other supplements. And testosterone doubled the risk in men over 65 with or without heart disease.

“Patients and their physicians should discuss the risk of heart attacks when considering testosterone therapy,” said Sander Greenland, a professor of epidemiology at the UCLA Fielding School of Public Health, who led the study.

It’s a similar pattern to women using hormone replacement therapy after menopause — doctors used to think it lowered the risk of heart attacks and cancer, but it in fact has the opposite effect.

The study, published in the Public Library of Science journal PLoS ONE, confirms the results of several smaller studies. One published in November found that the use of “low T” therapy boosted the risk of serious problems including heart attack, stroke and death in men who already had heart trouble and who had low testosterone.

And another one released in December found that men with higher levels of the male hormone are more likely to have weak or no response to a flu vaccine, meaning that their bodies don’t mount a strong defense.

Nonetheless, the testosterone products are very heavily marketed to older men. And an influential essay in the New York Times Magazine, titled “The He Hormone,” brought even more attention to the idea of “man-opause”.

Greenland’s team, along with experts at the National Cancer Institute and Consolidated Research, Inc., looked at the records of more than 55,000 men. Heart attack rates more than doubled in men over 65 in the 90 days after getting a testosterone prescription, and it more than tripled for men 75 or older.

To be sure, they compared the men getting testosterone to those getting prescriptions for erectile dysfunction drugs, as the two groups are similar in many ways. The ED drugs, which include brands such as Viagra and Cialis, only very slightly raised the risk of heart attack.

“Taken together, the evidence supports an association between testosterone therapy and risk of serious, adverse cardiovascular-related events — including non-fatal myocardial infarction (heart attack) — in men,” they concluded.

Source: NBC news

Sunlight may lower your blood pressure

Here’s why sunbathing feels so good: It may lower your blood pressure, British researchers reported Friday.

Just 20 minutes of ultraviolet A (UVA) sunlight lowered blood pressure by a small but significant amount in 24 volunteers, they report in the Journal of Investigative Dermatology. Further checks suggest the sun does this by increasing levels of nitric oxide, a chemical linked to blood flow.

The effects are so strong they may help explain why people who live in the darker north, like the Scots, have higher rates of death from heart disease, Richard Weller of the University of Edinburgh and Martin Feelisch of the University of Southampton say.

“We are concerned that well-meaning advice to reduce the comparatively low numbers of deaths from skin cancer may inadvertently increase the risk of death from far higher prevalent cardiovascular disease and stroke, and goes against epidemiological data showing that sunlight exposure reduces all cause and cardiovascular mortality,” they concluded.

Their volunteers got the equivalent of 30 minutes of natural sunlight at noon on a sunny day in Southern Europe. They protected their volunteers from the warming effects, just in case that was the cause. It lowered blood pressure by about five points, and the effects lasted half an hour.

In other words, a little sunshine really may warm your heart.

Source: NBC News

 

UK govt health adviser warns against drinking orange juice

Contrary to the popular beliefs about the health benefits of fruit juices, the UK government’s leading adviser on obesity has said people should stop taking orange juice due to high sugar content in it.

Professor Susan Jebb, head of diet and obesity research at the Medical Research Council’s Human Nutrition Research unit in Cambridge, UK, says orange juice has as much sugar as Coca-Cola and warned that fruit juice should not be counted as part of a healthy five-a-day diet.

“Fruit juice isn’t the same as intact fruit and it has got as much sugar as many classical sugar drinks. It is also absorbed very fast so by the time it gets to your stomach your body doesn’t know whether it’s Coca-Cola or orange juice, frankly,” she told The Sunday Times.

The development comes after the health experts urged the food industry to cut 30 per cent from processed in the UK while warning that sugar has become as dangerous as alcohol or tobacco.

They also claim that reduction in sugar could shave 100 calories from each person’s daily intake and reverse the UK’s growing obesity epidemic.

While many branded fruit juice contain as little as 10 percent fruit juice with lots of added sugar, several research has linked intake of sugary sodas, fruit juices with an elevated risk of obesity, heart disease, and type 2 diabetes.

Professor Susan Jebb, who said she had herself stopped drinking orange juice also asked people to dilute it with water and drink if they cannot quit juice.

“I have to say it is a relatively easy thing to give up. Swap it and have a piece of real fruit. If you are going to drink it, you should dilute it”, she added.

Source: Zee news

 

Shingles dramatically increases heart disease, stroke risk

If you’ve had shingles before the age of 40, you could be at an increased risk for heart disease and stroke.

According to Counsel & Heal, researchers followed individuals for an average of 6.3 years after they had contracted shingles. The study found that participants who had shingles before age 40 were 50 percent more likely to have a heart attack than people who did not have the disease; they were also 74 percent more likely to have a stroke.

Given these findings, lead researcher Dr. Judith Breuer of University College London recommended that anyone with shingles be screened for heart and stroke risk factors.

“The shingles vaccine has been shown to reduce the number of cases of shingles by about 50 percent,” Breuer told Counsel & Heal.

Current shingles vaccination recommendations are for anyone over the age of 60. Researchers have yet to determine the role of vaccination in younger individuals, Breuer said.

Source: Fresh news US

Four healthy reasons to eat seafood

Many researchers have shown that seafood, especially fatty fish, can be good for your overall health. It is a good source of omega-3 fatty acids, minerals and vitamins.

Healthy heart

Scientists have long ago noticed that the Inuits have low levels of heart disease since they depend mostly on seafood for sustenance and research over the years have proved this to be true. A recent research revealed that including one portion of seafood in your weekly diet may halve the chances of suffering a heart attack as more omega-3 help lower the amount of bad cholesterol and triglycerides in the blood.

Sharp brain

Oily fish also helps to support brain and nerve function thereby lowering the risk of developing dementia and Alzheimer’s disease.

Flexible joint

Fish oil is known to reduce inflammation and help prevent rheumatoid arthritis and other degenerative joint diseases.

Boost immunity

Seafood is packed with minerals like zinc, iodine and selenium. They help in the smooth running of the body, control growth and metabolism and help prevent diseases like cancer. Vitamins in seafood also help to keep the skin and eyesight healthy and help strengthen bones and teeth.

Source: Zee news

 

More walking tied to lower stroke risk among men

Older men who spend several hours walking each day are less likely to have a stroke than their peers who rarely walk, a new study suggests. And walking pace didn’t seem to matter.

Researchers said few studies have looked specifically at how both walking speed and walking time or distance is linked to stroke risk.

“Stroke is a major cause of death and disability and it is important to find ways to prevent it, especially in older people who are at high stroke risk,” Barbara J. Jefferis told Reuters Health in an email. She led the research at University College London in the UK.

“Our study suggests that maintaining an active lifestyle, specifically by spending more time on all forms of walking, could be an important part of stroke prevention strategies in older people,” Jefferis said.

She and her coauthors analyzed data from men enrolled in a long-term British heart study.

The men entered the study in 1978 to 1980. In 1998 to 2000, when they were in their 60s and 70s, they filled out surveys about how often they were physically active.

The new analysis includes 2,995 men who had not had a stroke or heart disease at the time of that survey. Researchers followed them for another 11 years.

More than half of the men walked an hour or less each day. About one in six reported walking more than two hours per day.

During the follow-up period, 195 of the men had a stroke. The researchers found that the more time men spent walking, the lower their risk of stroke.

Men who walked four to seven hours each week were 11 percent less likely to have a stroke than men who walked for three hours per week or less. But that difference could have been due to chance, Jefferis and her colleagues reported in the journal Stroke.

A stronger finding was that men who walked the most – for more than three hours each day – had a two-thirds lower risk of stroke than those who spent the least time walking.

Walking pace was also tied to stroke risk, such that average-pace or brisk walkers had a 38 percent lower risk of stroke than slow walkers. But distance walked explained that finding: men who walked at an average or brisk pace also walked further than their slower peers, according to the study.

The findings don’t prove walking prevents strokes. But they could not be explained by factors known to increase a person’s risk of stroke, like age, blood pressure and cholesterol. More recently identified markers of stroke, such as proteins associated with inflammation; blood clotting or heart muscle damage also weren’t behind the link.

“What we found was that all of these factors explained only a small amount of the relationship between time spent walking and onset of stroke,” Jefferis said. “This suggests that there may be other factors operating which explain why walking protects against stroke.”

Her team’s study was funded by the National Institute for Health Research and the British Heart Foundation.

Although it only included men, Jefferis said other research has suggested walking is good for women, too.

For instance, a team of Spanish researchers reported late last year that women who walked briskly for at least three and a half hours per week had a lower risk of stroke than inactive women

According to the Centers for Disease Control and Prevention (CDC), close to 800,000 people in the U.S. have a stroke every year, and strokes are the most common cause of serious long-term disability.

“Getting into the habit of walking every day for at least an hour could protect against stroke,” Jefferis said. That can include walking that is done while running errands, walking for leisure in a park or just walking around indoors.

Both the World Health Organization and CDC recommend adults get at least two and a half hours of moderate exercise each week.

Source: Reuters

 

Go nuts! Healthy facts about nuts!

Good things come in small packages and nuts are no exceptions. These nuggets are packed with healthy fats, protein, vitamins, and minerals. Studies have suggested that people who include nuts, including peanuts, in their diet have fewer common health problems such as heart disease, cancer, diabetes, etc. Here are some facts you should know before including nuts in your diet:

Nut varieties

A nut usually have a hard shell and a seed and most fruits we called nuts are not technically nuts nonetheless they provide similar health benefits. They include hazelnuts, chestnuts, and acorns, almonds, Brazil nut, candlenut, cashew, Chilean hazelnut or Gevuina, macadamia,   Malabar chestnut, pecan, mongongo, peanut, pine nut, pistachio and walnut.

How much to eat

According to the American Heart Association, include 4 servings of nuts a week in your diet. A serving is a small handful or 1.5 ounces of whole nuts or 2 tablespoons of nut butter. Avoid salted or oiled ones; instead, eat them raw or dry roasted

Calorie count

Almonds, cashews and pistachios have the lowest calorie count at 160 per ounce while macadamia nuts and pecans have the highest at 200 per ounce.

How to eat

You can have them as snacks whenever you feel hungry or sprinkle them over desserts and salads

Source: Zee News

Positive lifestyle changes to cut risk of metabolic syndrome

Data reported by the a new study reinforces the positive influence of lifestyle factors in mitigating risks which could potentially up heart disease risk and other health problems.

Findings based on 1,059 residents of New Ulm, Minnesota underscore the importance of obesity prevention and nutrition, specifically eating more fruits and vegetables, in addressing metabolic syndrome (MS), a common precursor to cardiovascular disease (CVD).

This study used an easily calculated Optimal Lifestyle Score (OLS), which is a composite summary of smoking, fruit and vegetable consumption, alcohol use, physical activity, and body mass index.

The results were presented by Jackie Boucher, MS, RD, LD, CDE, Vice President for Education, Minneapolis Heart Institute Foundation on Tuesday November 19 at the American Heart Association Scientific Sessions in Dallas, TX.

Boucher said that these findings clearly support national recommendations encouraging individuals to achieve energy balance and to increase fruit and vegetable consumption.

She said that their data suggests that there is a clear connection between increased body weight or the decrease in the consumption of fruits and vegetables, and the development of metabolic syndrome, a clustering of CVD risk factors.

In 2009, 1,059 of screened residents did not have MS, with 123 (12 percent) going on to develop MS by 2011.

A decline in the OLS was associated with a nearly 3-fold increased risk of incident MS (aOR = 2.9, CI: 1.69, 5.04). Changes in BMI and fruit/vegetable consumption were the OLS components most strongly associated with MS.

People who became obese during the two-year time period were more than eight times more likely to develop MS and people who reduced their intake of fruits and vegetables to less than 5 or more servings per day were four times more likely to develop MS.

Source: ANI

Bypass surgery lowers risk of dying by 30% for diabetics

Study finds 30 percent lower risk of dying for diabetics with bypass surgery vs. stentA new study by Indian origin researcher has suggested that diabetic people have a 30 percent less chance of dying if they undergo coronary artery bypass surgery rather than opening the artery through angioplasty and inserting a stent.

Dr. Subodh Verma, a cardiac surgeon and principal author of the paper, said that although bypass surgery is more invasive than stenting, it is imperative that physicians and patients realize that long term mortality reduction is best achieved with bypass surgery.

Verma and Dr. Jan Friedrich, an intensivist at St. Michael’s, decided to conduct a meta-analysis of all existing randomized control trials comparing the two procedures- coronary artery bypass surgery (CABG) and the angioplasty.

They also found that while patients with diabetes did better with CABG, the procedures was associated with an increased risk of non-fatal strokes. They said this may be related to the fact the heart has to be stopped during the procedure.

The study is published in the journal Lancet Diabetes and Endocrinology.

 

Why chocolates, olive oil and tea are healthy for you

Researchers are focusing on the healthful antioxidant substances in red wine, dark chocolate, olive oil, coffee, tea, and other foods and dietary supplements.

Researchers are focusing on the healthful antioxidant substances in red wine, dark chocolate, olive oil, coffee, tea, and other foods and dietary supplements.

The American Chemical Society, the world’s largest scientific society, is holding a symposium on those substances during its 246th National Meeting and Exposition.

Reports in the symposium involve substances that consumers know best as ‘antioxidants,’ and that scientists term ‘ phenolic derivatives.’

These ingredients, found naturally in certain foods and sold as dietary supplements, have been linked with health benefits that include reducing the risk of heart disease and cance