Among some of us, going bald may seem inevitable - we can thank our inherited genetics for that. Long periods of stress may be a contributing factor too. But, the question most of us would like to answer is: is balding permanent, and is it possible to bring our head of hair back? Science has discovered that below the skin's surface, the roots that give rise to our hair actually remain alive, so baldness prevention may be a possibility. This Ted-Ed video clearly explains why some people lose their hair and how they can bring it back.
