The Genetics Behind Gray Hair: Causes, Factors, and Natural Solutions
Do our genes or environment influence how our hair grays as we age? Discover the science behind graying hair and what (if anything) can be done about it.
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Red Hair and the MC1R Gene
To have red hair, you need to carry two variants in the MC1R gene. We all know our hair color, but it turns out that if you carry one MC1R genetic variant (and don’t have red hair) you are still at an increased risk for skin cancer.