Video: Why do some people go bald?
A four-minute video stating that an average "full-headed" person has about 1,00,000-1,50,000 hairs on the scalp, discusses why some people go bald. The video explains that hair growth goes through three phases and is based on keratin protein and hair follicles. Adding that baldness is inherited, it states that it can further be caused by hormonal changes or stress. 