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Scientists may have found a ‘skinny gene’

(CNN) -- A new, preliminary study says a gene may help some people stay slim.

An international scientific team found a genetic variant that's unique to thin individuals.

The researchers say the ALK gene, which creates a protein that's involved with cell growth, could lead to a new era in the fight against obesity.

The findings, published in the Journal Cell, were based on a clinical data study on nearly 48,000 people who were between 20 and 44-years old.

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