"Fat or skinny — the worst thing you can do is sit still."

Are fat people healthier?

“If you have to choose between being fat or fit, go for fit, even if it means being heavier,” he writes.

A study released in December by Curtin University in Australia, not included in the book, supports these assumptions. Researchers followed 8,662 people over 15 years and found that exercising significantly reduced mortality even in those with large waists and high cholesterol levels.

“Many heavier people with more body fat who remain as active as possible throughout the day can be fitter — and healthier — than thin people who sit all day.”

Fat or skinny — the worst thing you can do is sit still.