Prevalence of Male Pattern Hair Loss in 18–49 Year Old Men
December 1998
in “
Dermatologic Surgery
”
TLDR Hair loss is more common in men aged 18-49 and increases with age.
This document contains summaries of various studies on the prevalence of male pattern hair loss (MPHL) in men aged 18-49. The studies found that MPHL is more prevalent than previously reported, with the degree of hair loss increasing with age. The studies used various classification systems to categorize the extent of hair loss. The results suggest that further research is needed to better understand the natural history of hair loss in untreated men.