Is grey hair a sign of aging?

Is grey hair a sign of aging?

Marilyn Sherlock (Trichologist) gives expert video advice on: Can I prevent or slow down the production of grey hair?; Is grey hair a sign of aging?; Will I go bald quicker if I dye my hair? and more...

Commonly, grey hair is a sign of ageing. But there are people who suffer from premature greying of the hair. In some cases, at the ages of 20-25, you can see people with grey hair. That obviously is not a sign of ageing, it's just a hereditary condition.