What causes white hair?

Genes, aging, stress

 

i think stress
and thinkin too much

 

maybe white hair is a sign of future evolution of the human race....we may all be able to turn to a white haired super saiyan soon....jk jk

 

think too much wil coz white hair

 

think hard core gaming non stop 24/7 would cause white hair

 

i have like 5 and i'm young. =(. I hope i won't become white by the time i'm in my mid 20s.

 

stress..too much hw^^

 

i heard there's something with lack of calcium gives you white hair