Archive for August 2009

High caffeine intake can lead to arrhythmias

Monday, August 31, 2009

Coffee is routinely consumed in countries within the Mediterranean basin. Coffee, an infusion of ground, roasted coffee beans, is the most widely consumed behaviourally active substance in the world. It contains several hundred different substances including, antioxidants, carbohydrates, lipids, vitamins, minerals, phenolic compounds and alkaloids. Nevertheless, the effects of coffee on the cardiovascular system have been mainly...
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'Watchful waiting' for prostate cancer?

'Watchful waiting' is a viable option for prostate cancer patients with low-risk tumorsNo significant difference in mortality rates found among men who deferred treatment compared to those who sought immediate treatmentAppropriately selected prostate cancer patients, including older men and men with small, low-risk tumors, may safely defer treatment for many years with no adverse consequences, according to a new study in the Journal...
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How much omega-3 fatty acid do we need?

How much omega-3 fatty acid do we need New research in the FASEB Journal identifies the 'Goldilocks dose' of DHA that is 'just right' for preventing oxidative stress and to prevent cardiovascular disease in men.A team of French scientists have found the dose of DHA (docosahexaenoic acid) that is "just right" for preventing cardiovascular disease in healthy men. In a research report appearing in the September 2009 print issue of...
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Fight Bone Loss: Milk/Calcium or Fruit/Veg/Exercise?

Friday, August 28, 2009

For years, doctors have told us to drink milk and take calcium supplements to improve bone health and prevent osteoporosis. The problem is they're wrong, according to new book co-authored by Amy Lanou, a professor at the University of North Carolina at Asheville.Published by McGraw-Hill, “Building Bone Vitality: A Revolutionary Plan to Prevent Bone Loss and Reverse Osteoporosis” dispels the calcium myth and tells readers that...
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Whole Grains = Whole Health

Lona Sandon, assistant professor of clinical nutrition at UT Southwestern Medical Center and spokesperson for the American Dietetic Association, says it’s important to keep whole grains in your diet.“Research shows that whole grains are good for your heart, lower risk of diabetes and stroke, and may help prevent certain cancers,” she says. “They also help in managing weight.”Ms. Sandon says whole grains are chock full of good-for-you...
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Dealing with High-blood Pressure? Eat More Melons

Nutrition experts at UT Southwestern Medical Center say there’s no better way to lower your blood pressure than by indulging in some of the season’s potassium-rich fruit and vegetables.“Melons like cantaloupe and watermelon are particularly high in potassium,” says Lona Sandon, assistant professor of clinical nutrition at UT Southwestern and spokesperson for the American Dietetic Association. “One fourth a cantaloupe contains...
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Low-carb diets linked to atherosclerosis

Tuesday, August 25, 2009

Even as low-carbohydrate/high-protein diets have proven successful at helping individuals rapidly lose weight, little is known about the diets' long-term effects on vascular health.Now, a study led by a scientific team at Beth Israel Deaconess Medical Center (BIDMC) provides some of the first data on this subject, demonstrating that mice placed on a 12-week low carbohydrate/high-protein diet showed a significant increase in atherosclerosis,...
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Cranberry juice fails to cut it

Current clinical evidence for using cranberry juice to combat urinary tract infections is 'unsatisfactory and inconclusive', according to Raul Raz."An apple a day..." Not all medical problems require a state-of-the-art solution, and it would be nice to think that products from the corner shop could treat a widespread and uncomfortable ailment. Cranberry juice and related products have been touted as a simple solution for urinary...
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Apples Update

An apple a day can keep the breast-cancer awaySix studies published in the past year by a Cornell researcher add to growing evidence that an apple a day -- as well as daily helpings of other fruits and vegetables -- can help keep the breast-cancer doctor away.In one of his recent papers, published in the Journal of Agricultural and Food Chemistry (57:1), Rui Hai Liu, Cornell associate professor of food science and a member of...
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Low vitamin D raises heart disease risks in diabetics

Saturday, August 22, 2009

Research shows why Low levels of vitamin D are known to nearly double the risk of cardiovascular disease in patients with diabetes, and researchers at Washington University School of Medicine in St. Louis now think they know why.They have found that diabetics deficient in vitamin D can't process cholesterol normally, so it builds up in their blood vessels, increasing the risk of heart attack and stroke. The new research has identified...
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Jon's Health Tips - Eating Right

Friday, August 21, 2009

Quite a few research reports published in the last 2 weeks focus on good and bad food choices. I try to avoid the bad foods, not always with success, but make up for it by eating lots of the good foods (not great for weight loss, however.)Here’s a summary of food related research published in the last 2 weeks. Other interesting research from the same time period follows. Oxycholesterol may pose greatest heart disease risk High...
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Oxycholesterol may pose greatest heart disease risk

Thursday, August 20, 2009

Health-conscious people know that high levels of total cholesterol and LDL cholesterol (the so-called "bad" cholesterol) can increase the risk of heart attacks. Now scientists are reporting that another form of cholesterol called oxycholesterol — virtually unknown to the public — may be the most serious cardiovascular health threat of all....
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Whole grain cereals, popcorn rich in antioxidants

Tuesday, August 18, 2009

In a first-of-its kind study, scientists reported today at the 238th National Meeting of the American Chemical Society (ACS) that snack foods like popcorn and many popular breakfast cereals contain "surprisingly large" amounts of healthful antioxidant substances called "polyphenols."Polyphenols are a major reason why fruits and vegetables...
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Stress and Worry Can Be Hazardous to Your Health

Study: Personality Traits Associated With Stress and Worry Can Be Hazardous to Your Health Personality traits associated with chronic worrying can lead to earlier death, at least in part because these people are more likely to engage in unhealthy behaviors, such as smoking, according to research from Purdue University. "Research shows that higher levels of neuroticism can lead to earlier mortality, and we wanted to...
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Eating animal foods does not cause breast cancer

Monday, August 17, 2009

Studies do not support unhealthful relation between animal foods and breast cancerBreast cancer is the 7th leading cause of mortality in the United States and results in approximately 41,000 deaths each year. Although genetic factors are important, there is considerable evidence that breast cancer risk is related to modifiable lifestyle factors, such as physical activity, body weight, alcohol intake, and dietary choices. The September...
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Antioxidants do not increase melanoma risk

Antioxidant supplements do not appear to be associated with an increased risk of melanoma, according to a report in the August issue of Archives of Dermatology, one of the JAMA/Archives journals.A recent randomized trial of antioxidants for cancer prevention found that daily supplementation with nutritionally appropriate doses of vitamins C and E, beta carotene, selenium and zinc appeared to increase the risk of melanoma in women...
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Drink Red Wine Daily For Best Results

The polyphenols found in red wine are thought to help prevent Alzheimer's disease, and new research from Purdue University and Mount Sinai School of Medicine has shown that some of those compounds in fact reach the brain.Mario Ferruzzi, a Purdue associate professor of food science; Connie Weaver, Purdue's head of foods and nutrition; and Elsa Janle, a Purdue associate professor of foods and nutrition, found that the amount of...
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Danger in Herbal Supplements

Thursday, August 13, 2009

St. John’s wort: This supplement can greatly increase or decrease the potency of many medications and cause serious side effects. Patients who take antidepressants, anti-blood-clotting drugs, certain asthma drugs, immune-suppressing medications or steroids should probably avoid St. John’s wort.S-adenosylmethionine (SAM-e): This can cause serious side effects when taken with antidepressant medications that affect serotonin.Garlic,...
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Drinking Wine Protects Skin From Radiation

Drinking wine while undergoing radiation treatment for breast carcinoma may reduce the incidence of skin toxicity in breast cancer patients, according to a study in the August issue of the International Journal of Radiation Oncology*Biology*Physics, the official journal of the American Society for Radiation Oncology (ASTRO).Preventing radiation therapy-induced side effects is an important part of a patient’s cancer treatment management....
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Asparagus Good For Hangovers, Livers

The amino acids and minerals found in asparagus extract may alleviate alcohol hangover and protect liver cells against toxins, according to a study in the Journal of Food Science, published by the Institute of Food Technologists.Asparagus officinalis is a common vegetable that is widely consumed worldwide and has long been used as an herbal medicine due to its anticancer effects. It also has antifungal, anti-inflammatory and diuretic...
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Healthy Diet = No Kidney Stones

Researchers have found another reason to eat well: a healthy diet helps prevent kidney stones. Loading up on fruits, vegetables, nuts, low-fat dairy products, and whole grains, while limiting salt, red and processed meats, and sweetened beverages is an effective way to ward off kidney stones, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology (JASN). Because kidney stones are...
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High-fat diets make us stupid and lazy

New research in the FASEB Journal shows that high-fat diets are just as unhealthful in the short term as they are in the long termNew research published online in The FASEB Journal (http://www.fasebj.org) showed that in less than 10 days of eating a high-fat diet, rats had a decreased ability to exercise and experienced significant short-term memory loss. These results show an important link between what we eat, how we think,...
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Mediterranean Diet = Slower Cognitive Decline

Tuesday, August 11, 2009

In an examination of the association between adherence to a Mediterranean-type diet and cognitive performance and risk of dementia, researchers found that high adherence to the diet was associated with slower decline in some measures of cognitive function but was not associated with decreased risk for dementia, according to a study in the August 12 issue of JAMA.Higher adherence to a Mediterranean-type diet is linked to lower...
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Mediterranean diet, exercise fight Alzheimer disease

Elderly individuals who had a diet that included higher consumption of fruits, vegetables, legumes, cereal and fish and was low in red meat and poultry and who were physically active had an associated lower risk of Alzheimer disease, according to a study in the August 12 issue of JAMA. Research regarding the effect physical activity can have on the risk of Alzheimer disease (AD) or dementia has shown mixed results, as has the...
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Aspirin fights colorectal cancer

Men and women who were diagnosed with colorectal cancer and began regular use of aspirin had a lower risk of overall and colorectal cancer death compared to patients not using aspirin, according to a study in the August 12 issue of JAMA.Numerous prospective, observational studies demonstrate that regular aspirin use is associated with a lower risk of colorectal adenoma (a benign tumor) or cancer. Aspirin is likely, at least in...
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Physical inactivity poses greatest health risk

Monday, August 10, 2009

As many as 50 million Americans are living sedentary lives, putting them at increased risk of health problems and even early death, a leading expert in exercise science told the American Psychological Association today.Speaking at APA's 117th Annual Convention, Steven Blair, PED, called Americans' physical inactivity "the biggest public health problem of the 21st century."Blair is a professor of exercise science and epidemiology...
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Optimism=lower women’s risk of death/heart disease

Study highlights:Optimistic women have a lower risk of developing heart disease or dying from any cause compared to pessimistic women, according to research reported in Circulation: Journal of the American Heart Association.Researchers also reported that women with a high degree of cynical hostility — harboring hostile thoughts toward others or having a general mistrust of people — were at higher risk of dying; however, their...
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Healthy lifestyle = reduced risk of chronic disease

Four healthy lifestyle factors—never smoking, maintaining a healthy weight, exercising regularly and following a healthy diet—together appear to be associated with as much as an 80 percent reduction in the risk of developing the most common and deadly chronic diseases, according to a report in the August 10/24 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.Cardiovascular disease, cancer and diabetes—chronic...
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Beetroot juice boosts stamina

Friday, August 7, 2009

Beetroot juice boosts staminaDrinking beetroot juice boosts your stamina and could help you exercise for up to 16% longer. A University of Exeter led-study shows for the first time how the nitrate contained in beetroot juice leads to a reduction in oxygen uptake, making exercise less tiring.The study reveals that drinking beetroot juice reduces oxygen uptake to an extent that cannot be achieved by any other known means, including...
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Millions of US children low in vitamin D

Tuesday, August 4, 2009

Seven out of ten U.S. children have low levels of vitamin D, raising their risk of bone and heart disease, according to a study of over 6,000 children by researchers at Albert Einstein College of Medicine of Yeshiva University. The striking findings suggest that vitamin D deficiency could place millions of children at risk for high blood pressure and other risk factors for heart disease. The study is published today in the online...
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Mounting evidence of fish oil's heart health benefits

Researchers set forth recommendations for daily intakeThere is mounting evidence that omega-3 fatty acids from fish or fish oil supplements not only help prevent cardiovascular diseases in healthy individuals, but also reduce the incidence of cardiac events and mortality in patients with existing heart disease. A new study, published in the August 11, 2009, issue of the Journal of the American College of Cardiology, extensively...
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