hair loss

This is the product the actor swears by.
Hair is apparently a lot more important than we thought.
More people are doing it now than ever before.
Or is it just a scary old-wives' tale?
Scientists show that certain enzyme-inhibiting drugs can bring rapid regrowth of hair.
Female hair loss can be devastating, but there are treatments.
August is national hair loss awareness month. Dr. Brian Biesman joins HuffPost Live to discuss.