Bad news for those who love fries.
A Harvard professor says you should only eat six fries at a time as a proper portion.
Eric Rimm made the declaration in an article for the New York Times.
Rimm, who works at Harvard's Nutrition Department, says fries are "starch bombs."
A recent study found that people who ate fries two or three times a week had higher risks of diabetes, obesity and cardiovascular disease.
To avoid going over the six-fry limit, doctors recommend that you share a plate of fries with friends, alongside healthier foods.
You should only eat 6 fries at a time as proper portion
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