research Post-Finasteride Syndrome Update: Point/Counterpoint January 2016 in “Hair transplant forum international” Finasteride's link to health issues like male breast cancer, infertility, and prostate cancer needs more research through placebo-controlled trials to confirm.
research Evidence for a Polygenic Contribution to Androgenetic Alopecia 26 citations, October 2013 in “British Journal of Dermatology” Hair loss risk is influenced by multiple genes.