In the fish extract treatment group three patients withdrew from the study before the fourth month due to lack of therapeutic effect. [ncbi.nlm.nih.gov]

There are many other drugs available, like dutasteride, low-dose oral minoxidil, spironolactone, cyproterone acetate, ginseng, fish oil, vitamin E, and many herbal medicines, but these are not US FDA approved, and their efficacy is under debate.12 Surgical [doi.org]

Abdominal obesity, hypertension and lowered high-density lipoprotein were significantly higher in patients with androgenic alopecia versus their respective controls. [ncbi.nlm.nih.gov]

[…] androgenic alopecia hair loss due to susceptibility of hair follicles to androgenic miniaturization androgenetic alopecia alopecia androgenetica male pattern baldness alopecia androgenetica, male pattern baldness Statements Identifiers Sitelinks Wikipedia [wikidata.org]

A lot of other factors are also suggested to be responsible, but many questions remain unanswered. [ncbi.nlm.nih.gov]

Low levels of endogenous androgens increase the risk of atherosclerosis in elderly men: the Rotterdam study. J Clin Endocrinol Metab. 2002; 87 (8):3632–9. [ PubMed ] [ Google Scholar ] 24. Herbst KL, Bhasin S. Testosterone action on skeletal muscle. [ncbi.nlm.nih.gov]