When i was having hair loss,i immediately went to the doctor as it had occured so suddenly as if without any warning,as i had enjoyed good hair health for twenty six years and its falling of like this made me wonder that why was this happening .then my doctor told me that it was due to Dht. and that it was because of dht that i was loosing my precious hair.i want to know now in detail as to what is the role of dht in accelerating hair fall and also that how can i prevent my hair from the spell of Dht?