Novosti!
http://www.theglobeandmail.com/news/opinions/get-fat-live-longer/article1230784/
Get fat, live longer
A new study based on Statistics Canada population data reaches an exceedingly awkward conclusion: People who are overweight live longer than people who are classified as “normal” weight. Not only that, people who are classified as significantly overweight also live longer.
The study, led by Statistics Canada’s Heather Orpana, was devised to estimate the relationship between body mass index and mortality in Canadian adults. The database was nearly 12,000 people. The authors of the Canada-U.S. joint study adjusted for age, gender, smoking, physical activity and alcohol consumption. They found that the link between weight and mortality is relatively weak. The strongest finding was that underweight men are at greater risk than any other group.
But being overweight was associated with a 25-per-cent lower risk of dying. Being obese was associated with a 12-per-cent lower risk of dying. The risk for the most morbidly obese (who account for less than 3 per cent of all Canadians) was statistically the same as the risk for people of “normal” weight. The findings were published online in the research journal Obesity.
“Overweight may not be the problem we thought it was,” said David Feeny, a senior investigator at Kaiser Permanente Center for Health Research in Oregon, almost apologetically. “Overweight was protective.” He added that agencies such as Health Canada might want to rethink the way they classify people’s weight.
BMI - which is expressed as a simple height-weight ratio - has replaced the old insurance tables as the universal gauge for “healthy” weight. Its goalposts were recast in 1998, with the result that millions of previously healthy people were suddenly redefined as overweight. Today, a BMI of between 18.5 and 24.9 is considered “normal,” a BMI of 25 to 29.9 “overweight,” 30 to 34.9 “obese,” 35 to 39.9 “severely obese” and over 40 “morbidly obese.” By this measure, a 5-foot-4 woman is overweight at 146 pounds, obese at 175 lbs. and morbidly obese at 233 lbs. A 6-foot man is overweight at 184 lbs., obese at 221 lbs., and morbidly obese at 295 lbs. If you go by BMI, most Canadians in their 50s are too fat.
Is this study just a fluke? On the contrary. It confirms the findings of dozens of other large population studies that rarely get publicity. They all conclude that being overweight is not a problem, except at the extreme. In fact, a little extra padding is good for you.
http://www.deseretnews.com/article/...udy-shows-overweight-people-live-longest.html
People who are overweight at the age of 40 live longer on average than people with other physiques, according to the study conducted by a Japanese Health, Labor and Welfare Ministry research team.
The large-scale study also shows that thin people have the shortest life expectancy, on average dying six or seven years earlier than overweight people.
This remarkable result could ring alarm bells for people overeager to tighten their belts by a few notches and avoid being labeled “metabo,” a Japanese term used to describe people with metabolic syndrome.
As part of the study, which was organized by Ichiro Tsuji, a professor at Tohoku University, the team of researchers studied such matters as the health of about 50,000 residents of Miyagi Prefecture age 40 or more over a 12-year period.
The researchers looked at the past physiques of the participants and analyzed the ages they lived to from the age of 40 and grouped them into classifications of body mass index (BMI), an indicator of how fat a person is.
The results showed that men of regular weight (with a BMI of between 18.5 and 25) at age 40 live for an additional average of 39.94 years, while those who are overweight (BMI of between 25 and 30) at age 40 live for a further 41.64 years. Women of regular weight live on average for a further 47.97 years, compared with overweight women—who live another 48.05 years, according to the study.
Obese men and women (BMI of 30 or more) live a further 39.41 and 46.02 years, respectively. But thin men (BMI of less than 18.5) are on average expected to live 34.54 more years, and thin women another 41.79 years, the study showed.
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Upravo tako.
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