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

Hair grows about half an inch per month on average — roughly 6 inches per year. Growth rate can vary by factors like genetics ...

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, ...

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 ...