What is the main reason of falling hair?!

What is the main reason of falling hair?

Those are all pretty good answers, but here is the real number one reason why, our body produces a chemical called DHT, this chemical is the direct cause for hairloss. this chemical is produced form testosterone, a natural thing for most men, its just that some men produce more DHT then others, causing there hair to thin out faster. Some ways to fight it, are using T-gel, this dandruff fighting shampoo cleans the head so strongly that it kills off DHT in the process, but you cant use it every day. There are also some good products out there, such as Avacore that have ingredients to stop harmfull DHT, and actually allow you to regrow your hair, and are much cheaper that surgey. Hope this helps you out man, i know it will....................ps. dont worry though, chicks dig shaved heads!