Pregnancy and hormonal contraceptives can cause temporary hair loss on the scalp and increased hair growth on the face and body.
November 2022 in “Journal of Cosmetic Dermatology” The combined therapy significantly increased hair density and was safe for treating hair loss.
4 citations
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November 2019 in “Harper's Textbook of Pediatric Dermatology” Endocrine diseases in children can cause various skin and hair changes.
1 citations
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January 2000 in “PubMed” The treatment slightly increased hair growth and was safe for most women.
211 citations
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May 2013 in “Journal of Nutrition Health & Aging” MK-0773 safely increased muscle mass but did not improve muscle strength or function in elderly women with sarcopenia.
192 citations
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January 1976 in “The Journal of Clinical Endocrinology & Metabolism” Androgen levels increase with puberty and are linked to sexual hair development.
66 citations
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April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
56 citations
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September 2013 in “Journal of Biochemistry and Molecular Biology” Androgens increase a growth factor in hair cells by creating reactive oxygen species, and antioxidants might help treat hair loss.
43 citations
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April 2011 in “AJP Endocrinology and Metabolism” Androgens increase muscle mass by promoting myoblast growth through ornithine decarboxylase.
35 citations
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May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
20 citations
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August 2018 in “The World Journal of Men's Health” Finasteride may increase erectile dysfunction risk in patients with benign prostatic hyperplasia.
18 citations
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January 2013 in “Annals of Dermatology” AGA increased yearly, type I most common, and family history and seborrheic dermatitis often linked.
14 citations
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October 2022 in “Journal of the American Heart Association” Lower testosterone levels may increase heart failure risk in older men.
7 citations
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June 2024 in “iScience” Androgens increase cervical cancer risk and affect its development.
7 citations
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September 2020 in “Journal of Cosmetic Dermatology” Smoking increases early hair loss risk in men; quitting may help prevent it.
6 citations
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September 2020 in “Journal of The American Academy of Dermatology” Severe male balding may increase the risk of serious COVID-19, and treatments that reduce androgens or block a specific enzyme might help protect these individuals.
2 citations
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January 2008 in “Journal of Pakistan Association of Dermatology” Finasteride 1mg daily effectively increases hair growth and slows hair loss in men with male pattern baldness over two years.
Lower DHT and higher testosterone levels increase brain activation but don't change behavior in heavy drinkers.
January 2026 in “Dermatologic Therapy” Botulinum Toxin Type A can increase hair density and improve hair thickness in androgenetic alopecia with minimal side effects.
April 2025 in “Health Science Reports” Smoking and lighter hair color increase alopecia risk, especially in women and those over 25.
August 2024 in “Skin Research and Technology” Omega-6 and LDL cholesterol increase the risk of hair loss.
May 2024 in “Skin research and technology” Certain metabolites can either protect against or increase the risk of hair loss.
February 2024 in “Skin Research and Technology” Microneedle therapy combined with serum effectively increases hair count in people with hair loss, with no side effects.
July 2023 in “International journal of trichology” Cellcurin therapy with microneedling increases hair density and thickness in treating hair loss in men and women.
Androgens increase norepinephrine release, promoting smooth muscle growth in male sex organs, which may contribute to benign prostatic hypertrophy.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Androgens increase growth factors in skin cells, which may lead to acne.
December 2022 in “Pakistan Armed Forces Medical Journal” Androgenetic alopecia may increase the severity of COVID-19.
December 2020 in “Actas Dermo-Sifiliográficas” LLLT increases hair density and growth in AGA patients.
April 2012 in “The Journal of Urology” Early baldness increases prostate cancer risk, radiotherapy and surgery have similar second cancer rates, and ALA may reduce prostate cancer risk.
115 citations
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November 1999 in “Journal of The American Academy of Dermatology” Minoxidil increases hair weight and count temporarily in men with hair loss.