Usually it comes in the dirty thirties - in some cases a bit earlier, sometimes the following decade - but the sight of those first flecks of grey more often than not brings with it the despondent ...

Shashi Tharoor humorously questions Shah Rukh Khan's age, calling 60 deeply suspicious as he celebrates the superstar's birthday with witty remarks and playful analysis of his youthful looks.

Scientists say greying may reveal more than just age. How vitamin deficiencies could be turning your hair grey faster, and how to reverse it?