January 2023 in “International Journal of Zoological Investigations” Certain genetic variations in IL-16 may increase the risk of alopecia areata.
136 citations
,
February 2017 in “International Journal of Molecular Sciences” PRP treatment improves hair growth, and the device used can affect results, with some being more effective.
46 citations
,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
December 2022 in “Discover Psychology” A young woman developed a bowel obstruction from eating hair from her weave to relieve anxiety.
59 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
10 citations
,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
6 citations
,
August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
5 citations
,
October 2010 in “General and Comparative Endocrinology” Flutamide and finasteride reduced sex hormones in pregnant hyenas, but increased them in males.
June 2020 in “Journal of Investigative Dermatology” FDA-cleared devices often fail to produce high-quality platelet-rich plasma consistently.
11 citations
,
March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
39 citations
,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
1 citations
,
August 2025 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” BMI should be considered in future research on dutasteride's effects on fertility.
November 2024 in “Asian Journal of Biological Sciences” High consumption of avocado leaves harms male fertility.
March 2021 in “Indian Journal of Case Reports” A young woman with late-stage Vogt-Koyanagi-Harada disease was successfully treated at a hospital.
125 citations
,
January 1999 in “Drugs” Finasteride effectively treats baldness but may cause sexual side effects.
77 citations
,
June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
43 citations
,
January 2016 in “International Journal of Andrology” Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.
18 citations
,
October 2018 in “Journal of The American Academy of Dermatology” Some skin medications can harm male fertility, but they don't seem to cause birth defects from father's exposure.
14 citations
,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
7 citations
,
March 2021 in “Evidence-based Complementary and Alternative Medicine” Nelumbinis Semen extract helps hair grow and could prevent hair loss.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
Hair and nails can show hormone changes during puberty in dogs.
A mix of Polygonatum sibiricum and Nelumbinis semen may ease menopause symptoms with fewer side effects.
June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
9 citations
,
December 1978 in “Australian Journal of Biological Sciences” Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.
30 citations
,
April 1997 in “European journal of endocrinology” The document concludes that managing hirsutism involves identifying the cause, using a scoring system for severity, combining cosmetic and medical treatments, encouraging weight loss, and providing psychological support, while noting the need for more research on drug treatments.
207 citations
,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
185 citations
,
August 2020 in “Mayo Clinic Proceedings” Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.