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Once you start dyeing your hair to cover the grays, how do you know when enough is enough?
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Scientists have long known that genes determine our hair color -- and when that hair turns gray, it's believed that it's partly due to genetics and partly because our cells produce less and less of th...
What does it mean to be grey for a woman? In our culture, it generally means old or well past their prime. For men, the clichés still hold water; distinguished, suave, sexy, a silver fox.