Your hair grows in a cycle of four stages or phases. The stages are anagen (growth stage), catagen (regression stage), ...

How does your hair grow? Chances are that you have a vague idea, but for most people learning that hair growth occurs in a cycle is surprising. Indeed, human hair goes through four distinct stages as ...

This article was reviewed by Knox Beasley, MD. How does your hair grow? Chances are that you have a vague idea, but for most people learning that hair growth occurs in a cycle is surprising. Indeed, ...