> Men and women can go grey any time from their mid-30s It can start earlier than that - I found my first gray hair around 16, and I'm now in my early 20s with

> Men and women can go grey any time from their mid-30s It can start earlier than that - I found my first gray hair around 16, and I'm now in my early 20s with pretty evenly mixed salt-and-pepper hair along the sides (the top has decided to run away, rather than go gray).