Untreated hair loss progresses at a rate of 5 to 10% per year, but the onset of hair loss and the rate of progression vary from person to person. Reduced self-esteem, loss of confidence, anxiety and depression may occur in affected men.
Male pattern androgenetic alopecia, or common baldness as it is also known, affects about 50% of Caucasian males by the age of 50 years. By the age of 80 years, over 95% of Caucasian males are affected to some degree. Often considered a secondary sexual characteristic, hair loss can have significant psychosocial manifestations, especially when the hair loss is severe and premature. Reduced self-esteem, loss of confidence, anxiety and depression may occur in affected men.