Dad bod is real. Science says so.
Men who become fathers experience weight gain and an increase in body mass index, a measurement of body fat based on height and weight, according to a new, large-scale study that tracked more than 10,000 men over a 20-year period. Men who didn't become dads actually lost weight over the same time period.
The findings by Northwestern University's Feinberg School of Medicine were published Tuesday in the American Journal of Men's Health. Researchers describe the study on fatherhood and young men's BMIs as the first of its kind.
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Yes, men gain weight when they become dads, study confirms - The Washington Post