Understanding the four major factors for hair loss – and what you can do about it. From comb overs to hairpieces, humans have been trying to put the kibosh on obvious hair loss for centuries. Androgenic alopecia a.k.a. male pattern baldness (MPB) is the most typical form of men’s hair loss. 95% of men’s hair loss is attributed to MPB. 2/3 of men in America will sustain some loss of hair by the time they turn 35. When they turn 50, about 85% of them will have thinning hair (so