US Population Is Becoming Fatter And Less Lives. Part 1 of 3

US Population Is Becoming Fatter And Less Lives – Part 1 of 3

US Population Is Becoming Fatter And Less Lives. Being too flabby can shorten your life, but being too skinny may cut longevity as well, a new study suggests. Using details on almost 1,5 million white adults culled from 19 separate analyses, researchers from the US National Institutes of Health (NIH) found that 5 percent of the US natives can be classified as morbidly obese – a number five times higher than previously thought. With a body mass index (BMI) of 40 or higher, the morbidly obese had a death percentage more than double that of those of normal weight, according to study author Amy Berrington de Gonzalez.

BMI is a measurement of body fat based on height and weight. Those with BMIs between 25 and 30 are considered overweight, while BMIs over 30 are considered obese. The study, which sought to instal an optimal BMI range, showed it to be between 20 and 25 in those who never smoked, and 22,5 to 25 in those who did.

Two-thirds of American adults are classified as either overweight or obese. “We were focusing mostly on tainted BMI – over 25 – and the aim was to clarify the relationships between weight and longevity rather than expect to find anything completely new,” said Berrington de Gonzalez, an investigator with the National Cancer Institute’s sectioning of cancer epidemiology and genetics in Bethesda, Md.

Parts: 1 2 3

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