Gene study findings could one day prevent gray hair

Spotted a few gray hairs lately? It turns out there could be more to blame than stress or aging. A large international study has uncovered the first gene identified for causing gray hair, which confirms graying is not based solely on environmental factors. The study, published recently in the journal Nature Communications, looked at more than 6,000 Latin Americans and identified a total of 10 genes affecting with hair shape, graying, monobrow, eyebrow and beard thickness. READ MORE By Cait Harrison