NPR

Carrying Some Extra Pounds May Not Be Good After All

A new study finds that people who are overweight, but not obese, have shorter life spans. It's the opposite of a 2013 study that got a lot of attention by finding a few pounds might be good for you.
A new study finds that being overweight may decrease a person's life span.

New research published Monday adds fuel to an ongoing debate in the public health community over whether a few extra pounds are good, or bad, for you.

Earlier research found that being somewhat overweight, but not obese, may result in a longer life.

But today's study in the Annals of Internal Medicine suggests that being slightly overweight may actually decrease a person's life span, which is more in line with conventional wisdom about weight.

So who's right? It's all about study design and statistical analysis.

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