greying of hairs at an early age is common these days...and this can be due to various reasons..like.. heredity...that means if any of the parents have had premature grey hairs then children are likely to get the same trend.other causes arestresss

smoking has many bad effects on skin..it will give wrinkles at an early age. some people may get greying of hairs at an early age due to smoking. it will delay the wound healing process. psoriasis can also be exaggerated by smoking. ...