Both men and women can experience hair loss and is triggered by hormones & genetics. As compared to women, hair loss often occurs faster in men. In men, hair loss can occur near the temples and appear as “M” shaped hair line. While in women, diffuse thinning at the top of the head which shows the part line. Diffuse thinning can occur in early 20s & 30s, due to hormonal changes, aging, thyroid or anemia.