Scientists discover ‘skinny gene’ variant that helps some lucky people stay lean

This mutation helps them naturally stay lean and drastically decreased their risk for a slew of conditions, including heart attack, stroke, kidney disease, and non-alcoholic fatty liver disease.

You are what you eat, but what happens to those calories after you eat may depend more on your genes than you think.Scientists have long suspected that how our bodies deal with calories is somewhat determined by our genetic makeup. Now, they’ve zoomed in on one gene—FNIP1—which plays an outsize role in how we burn ener