Life Wellbeing Men get fat when they become dads, study finds
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Men get fat when they become dads, study finds

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Having a child might be one of the world’s greatest pleasures, but for new dads there is a potentially dangerous trend emerging.

When men become fathers they gain weight and their body mass index (BMI) rises, while those who don’t have children actually get skinnier, according to a comprehensive study.

The results gathered by Northwestern University’s Feinberg School of Medicine were published in the American Journal of Men’s Health.

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They studied more than 10,000 men over a 20-year period.

The researchers say the study is the first of its kind into fatherhood and young men’s BMI.

“Fatherhood can affect the health of young men, above the already known effect of marriage,” lead author Craig Garfield, Northwestern associate professor, said in The Washington Post.

“The more weight the fathers gain and the higher their BMI, the greater risk they have for developing heart disease as well as diabetes and cancer.”

First-time dads who live with their children saw their BMI increase by an average 2.6 per cent during the study period. Dads who didn’t live with their kids had a 2 per cent rise.

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Robert De Niro has six children. Photo: Getty

The study says that translated to an average 1.99 kg weight gain for a 6-foot-tall dad that lives with their child and a 1.5 kg weight gain for one who doesn’t.

Remarkably, a similarly tall man with no kids lost on average of .65 kg over the same time.

“You have new responsibilities when you have your kids and may not have time to take care of yourself the way you once did in terms of exercise,” Professor Garfield said. “Your family becomes the priority.”

The study began in 1994 and measured the health of 10,253 men at four different points in their lives.

Researchers said that while BMIs normally do change while men age, these men’s fluctuations depended on whether they were dads.

Even though the BMI difference and weight gain looks to be small when looking at the figures, researchers said the estimates are “conservative”.

 

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