Interestingly, gray hair also grows faster than pigmented hair, but it uses more energy in the process. Yes, stress can cause ...

When we start to go gray depends a lot on genetics. Your first gray hairs usually appear anywhere between your 20s and 50s.

In younger people, whose stems cells still produced melanin, colour returned to the hair after the stressful event passed.

Or maybe you wonder why your granddad has a full head of silver hair when in old pictures it's dark brown. Getting gray ... When there are fewer pigment cells in a hair follicle, that strand of hair ...