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Diet, Exercise, and Health News.

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Omega 3 fats didn't help heart patients, study suggests

Hm... people who are being treated with heart medicines don't get any benefit from increasing intake of Omega 3 fats:

Study: More omega-3 fats didn't aid heart patients
By STEPHANIE NANO (AP)

NEW YORK — Eating more heart-healthy omega-3 fats provided no additional benefit in a study of heart attack survivors who were already getting good care, Dutch researchers report.

After nearly 3 1/2 years, there was no difference in deaths, heart attacks and other heart problems between those who ate margarine with added omega-3 fatty acids and those who didn't, the study found.

The results don't mean that getting more of the essential nutrient has no value. Several studies have offered evidence that the fats — mostly from fish oil — reduce heart disease.

Darling Husband's picture

Drink a couple of glasses before eating to aid dieting, study says

Here's something I've known for a long time: drink a couple of glasses of water before meals. It can help you lose weight:

Drinking water before meals can help people to lose weight, says a US study.

Scientists from Virginia found that slimmers can lose an average of 5lb extra if they drink two glasses of water three times a day before meals.

Source: Drinking water before meals helps dieting, says study

Darling Husband's picture

Top 10 vices that are good for you: CNN Health

CNN's web site reports the following ten 'vices' that are actually good for you. Some of the items on the list have been covered here before.

Here's a summary:

  1. Get enough sleep.
    This one is obvious. You need to get enough sleep.
  2. Play hooky from work (take a 'mental health' day off from work).
    Hey, who can argue with that one?
  3. Have sex (um...)
  4. Have some chocolate.
    We've covered that one -- chocolate (dark, sans all the stuff that's in the typical junk food candy bars) seems to have all kinds of health benefits.
  5. Go out and have some fun.
    Did they really need to tell us this?
  6. Eat full fat dressing.
Darling Husband's picture

Research challenges long-held ideas on calcium, fat

Americans like simple solutions to complicated problems. This is especially true in medicine.

Two fundamental “truths” of health advice are 1) calcium builds strong bones and 2) saturated fat clogs coronary arteries. Both may turn out to be wrong.

The calcium story has been building for decades. Because everyone knows that bones contain calcium, it seemed logical to assume that taking more of this mineral would make bones stronger. As a result, millions of women have been told to swallow a couple of calcium pills daily to ward off osteoporosis.

Darling Husband's picture

An Updated Guide for Low-Carb Dieters (New York Times)

While not strictly news, this interview discusses some of the misconceptions about low-carb dieting in light of recent studies confirming what we've known for a long time -- there are health benefits to low-carb dieting.

An Updated Guide for Low-Carb Dieters (New York Times)

Darling Husband's picture

Research links waist size to risk of early death (once again)

Once again, research shows a correlation between waist size and increased death risks.

...new research suggests that waist size could play as important a role as body weight in determining how long you live. After examining a database of more than 100,000 men and women ages 50 and older participating in a cancer prevention study, researchers found that those with the largest waistlines had about twice the risk of dying over a nine-year period as those with the smallest waistlines.
Link (usnews.com)

Darling Husband's picture

Obesity on the rise, no end in sight (CDC)


Source: CDC

Well, the obesity train keeps on a-rollin'.

Obesity continues its rise unabated, and there's no end in sight. According to the CDC, 72.5 million adults are considered 'obese':

Over the past decade, obesity has become recognized as a national health threat and a major public health challenge. In 2007--2008, based on measured weights and heights (1), approximately 72.5 million adults in the United States were obese (CDC, unpublished data, 2010). Obese adults are at increased risk for many serious health conditions, including coronary heart disease, hypertension, stroke, type 2 diabetes, certain types of cancer, and premature death (2,3). Adult obesity also is associated with reduced quality of life, social stigmatization, and discrimination (2,3). From 1987 to 2001, diseases associated with obesity accounted for 27% of the increases in U.S. medical costs (4). For 2006, medical costs associated with obesity were estimated at as much as $147 billion (2008 dollars); among all payers, obese persons had estimated medical costs that were $1,429 higher than persons of normal weight (5). In 2001, the Surgeon General called for strong public health action to prevent and decrease overweight and obesity (3).

[snip]

In 2009, all states continued to have high prevalences of obesity among adults, although the prevalences varied geographically. No state met the Healthy People 2010 target of 15%, and the number of states with obesity prevalence of ≥30% increased from none in 2000 to nine in 2009. The results of this report also indicate that the prevalence of adult obesity in the United States, as measured by BRFSS, continued to increase. Using 2007 population data for both years, the increase of 1.1 percentage points from 2007 to 2009 corresponds to approximately 2.4 million additional adults whose self-reported heights and weights yielded a BMI of ≥30. Previously documented disparities in obesity prevalence continued by age, education, and race/ethnicity (6,7). Of particular concern are the high prevalences among non-Hispanic black women and persons with less education.
Vital Signs: State-Specific Obesity Prevalence Among Adults --- United States, 2009

The method used to determine obesity appears to be the flawed Basal Metabolic Index (BMI) (more on the BMI flaws here).

On the flip side, the survey's "BMI was calculated from self-reported weight and height". Do people provide honest weight numbers when the report their weights, even if anonymously?

Darling Husband's picture

Study shows that low-carb diets may help reduce heart risk factors

Yet another study shows that the lipophobes were wrong -- that low-carb dieting isn't bad for your heart:

Low carb diets may have edge in some heart risk factors

The fascination with low-carb versus low-fat diet continues; the latest news comes from a study in the Annals of Internal Medicine released today that found that people on both diets lost about the same amount of weight over two years. However, the low-carb group had an edge in raising HDL (good) cholesterol and lowering diastolic blood pressure

Darling Husband's picture

Get more sun! You are probably Vitamin D deficient. (New York Times)

Interesting article in the New York Times discussing the need for more Vitamin D -- either by diet or through sunlight exposure.

Vitamin D promises to be the most talked-about and written-about supplement of the decade. While studies continue to refine optimal blood levels and recommended dietary amounts, the fact remains that a huge part of the population — from robust newborns to the frail elderly, and many others in between — are deficient in this essential nutrient.

Darling Husband's picture

Fruit and vegetables offer 'limited protection' against cancer, says Nobel winning scientist

Sir Tim Hunt, a Nobel-winning scientist, says that fruits and vegetables offer limited protection against cancer:

There is no evidence a healthy diet can prevent people developing cancer, a Nobel-winning scientist has warned.

Sir Tim Hunt said eating healthy foods could only provide a modest reduction in the risk of developing the disease.

He said the two "most terrible" cancer-causing poisons in the environment were air and water.

The scientist made his comments in a keynote address at the Association for International Cancer Research (AICR) conference in Fife.

Sir Tim, a principal scientist with Cancer Research UK, said there was no evidence from studies that diet could prevent cancer.

He agreed with recent research which found eating the recommended "five-a-day" will only provide limited protection in preventing the disease.

He pointed out anything which damages chromosomes or attacks DNA can cause cancer.

"The two most terrible poisons in the environment causing cancer are air and water," he said.

"If you stopped breathing, you wouldn't get cancer, but you have to breathe to stay alive.

"It is the air itself, not any pollutants in it, and water which are constantly attacking our DNA."
Link

So, if you're on a low-carb diet, and aren't eating as many veggies and fruits as "the experts" say you should, perhaps you can stop stressing over that. Maybe.