摘要：Why do people go bald？How would I know？I will explain.Our hair grows from hair follidles.We have about 100，000 hairs on our head.E

Why do people go bald？How would I know？I will explain.Our hair grows from hair follidles.We have about 100，000 hairs on our head.Everyday，we usually lose about 100 hairs.If new hairs don't start growing from those places，then we are probably balding.

Medical term for baldness is alopecia.lts speling is so compicated.One of the main reasons for balding is hormones.We have a hormone called testosterone.In our body， testosterone is converted into Dihydro testosterone or DHT.

Now，some people's hair follidles are highly sensitive to dihydro testosterone.蹲便器，their hair follidles begin to shrink and their hairs gets thinner and thinner.

来源：真的教育