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.
36 citations,
January 1998 in “Journal of Dermatological Treatment” The questionnaire effectively measures men's perceived hair growth and can distinguish between different treatments and dosages.
6 citations,
February 1996 in “Clinical Pharmacology & Therapeutics” Scale created to measure hair loss in men and women; MK-386 reduces acne; Niaspan treats dyslipidemia; minoxidil increases heart rate.
April 2017 in “Journal of Pakistan Association of Dermatology” November 2014 in “PharmaTutor” Finasteride may help postmenopausal women with hair loss but is not effective for all and should be used cautiously in premenopausal women.
January 2009 in “Revista de Ciências Médicas” Male pattern baldness is a genetic condition causing hair loss, with limited but improving treatment options.
10 citations,
June 2001 in “PubMed” Finasteride is effective in growing hair and stopping hair loss in men with mild to moderate alopecia.
50 citations,
December 1998 in “Dermatologic Surgery” Hair loss is more common in men aged 18-49 and increases with age.
2 citations,
October 1997 in “Dermatologic Clinics” The document concludes that advancements in hair restoration surgery have led to more natural results and patient satisfaction, with hope for future improvements in treatment.