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Fort Smith/Fayetteville News | 5newsonline KFSM 5NEWS | Get the local news and weather where you live from 5NEWS. Covering Fort Smith, Fayetteville, Bentonville, and all of Northwest Arkansas and the River Valley.

Do Some People Have 'Natural Sunscreen' in Their Skin?

A 'natural sunscreen' gene in skin was found by scientists investigating concentrations of vitamin D.