280 citations,
May 2005 in “Andrology” Testosterone treatment for older men can have short-term benefits, but long-term risks are unclear, requiring careful evaluation and monitoring.
233 citations,
February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
82 citations,
August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
7 citations,
January 2019 in “Headache” Hormone therapy may increase migraines in transgender women and decrease them in transgender men; more research is needed on migraine management in transgender individuals.
41 citations,
October 2017 in “International Journal of Women's Dermatology” Most pregnant women experience skin darkening and hair changes, with these effects usually going away after giving birth.
1 citations,
October 2023 in “Romanian Journal of Morphology and Embryology” COVID-19 can cause various skin issues, but long-term skin problems are rare.
September 2021 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” Tetrathelmis tetrathele extract may help prevent hair loss and improve scalp health.
March 2017 in “De Gruyter eBooks” The Leechbook shows how hair and sexual health were key to medieval masculinity and some remedies may still be useful.
28 citations,
October 2018 in “Clinical Obstetrics and Gynecology” Testosterone therapy seems safe and effective for transgender men with proper care, but more long-term research is needed.
18 citations,
December 2021 in “Foods” Seaweeds contain beneficial compounds with potential uses in food, cosmetics, and health, but more research is needed to improve extraction and safety.
88 citations,
May 2012 in “Human Reproduction Update” Women with PCOS may take longer to get pregnant but can have a normal family size, and should manage their overall health to reduce long-term health risks.
11 citations,
September 2012 in “Journal of obstetrics and gynaecology Canada” Testosterone therapy seems safe for short-term use in postmenopausal women with low sexual desire, but more research on long-term effects is needed.
22 citations,
January 2008 in “Physiological Research” Steroid sulfatase is important for activating hormones that affect memory, brain function, and certain diseases, and could be a target for treating hormone-related disorders.
114 citations,
February 2012 in “International Journal of Dermatology” Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.
1 citations,
January 2023 in “Journal of Clinical Medicine” A new hair restoration technology was found to effectively increase hair thickness, density, and growth, while reducing hair loss and improving scalp health, with no side effects.
3 citations,
October 2010 in “Placenta” The shape and size of the placenta may help predict future health risks for both mother and child.
78 citations,
September 2006 in “International Journal of Cosmetic Science” Dandruff is mainly caused by a scalp reaction to yeast, can worsen hair loss, and antifungal treatments may help.
30 citations,
September 2016 in “Aging Cell” Low selenium levels can extend lifespan but worsen health issues.
343 citations,
December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
14 citations,
December 2020 in “Journal of The American Academy of Dermatology” More people, especially Hispanic/Latinx, in certain NYC communities experienced temporary hair loss during the COVID-19 pandemic.
1 citations,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
Eating healthy, exercising, and certain nutrients like myoinositol and omega-3s can help manage PCOS symptoms.
137 citations,
June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
92 citations,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
June 2016 in “CRC Press eBooks” Sleep problems and skin issues affect each other; poor sleep can worsen skin conditions, and some skin treatments can improve or harm sleep quality.
December 2024 in “International Journal of Health Sciences and Research” Vitamin D is crucial for health, and deficiency can cause hair loss and other health issues.
February 2023 in “Aesthetic Cosmetology and Medicine” Medicinal plants in nutricosmetics contain compounds that can improve skin and hair health.
A woman had temporary hair loss due to stress from a spinal cord injury.
The document concludes that severe trauma can cause temporary hair loss, known as Telogen Effluvium, which usually resolves without treatment.
18 citations,
January 2013 in “Postepy Dermatologii I Alergologii” Puberty often causes skin issues like acne and excessive sweating, and treatments require patience as results may vary.