The man had myotonia, which caused delayed hand grip relaxation.
7 citations
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April 2011 in “American journal of obstetrics and gynecology” A woman's virilization symptoms were caused by her partner's use of testosterone cream, which resolved after they separated.
46 citations
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January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
2 citations
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November 2022 in “Veterinary sciences” The interdigital gland of Vembur sheep shows sex-based differences in size and chemical makeup, possibly affecting communication and disease protection.
4 citations
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August 2022 in “The Scientific World Journal” Merremia peltata leaf extract, particularly the bufotalinin compound, shows potential for treating hair loss.
May 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Testosterone significantly affects urination differences between male and female mice.
33 citations
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January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
7 citations
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December 2017 in “Journal of the European Academy of Dermatology and Venereology” Dutasteride is linked to a higher chance of sexual dysfunction, especially in younger males and the elderly.
4 citations
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April 2013 in “International Journal of Pharmaceutical Sciences and Drug Research” Banana plant extract effectively kills worms.
April 2010 in “The Journal of Urology” The research found that androgens help control blood flow in the rat prostate through a specific binding site.
75 citations
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August 2011 in “Journal of Investigative Dermatology” Forming spheres boosts the ability of certain human cells to create hair follicles when mixed with mouse skin cells.
April 2024 in “Journal of wildlife diseases” Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
January 2025 in “Journal of the American Academy of Dermatology” Combining oral minoxidil and bicalutamide may help improve hair growth in adolescent girls.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
January 2003 in “Zhonghua shiyan waike zazhi” Androgen, especially DHT, is crucial for erectile function in rats by affecting specific brain neurons.
April 2019 in “Journal of Investigative Dermatology” Y27632 increases cell growth through EGFR signaling, not ROCK1/2.
3 citations
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February 2024 in “Wound Repair and Regeneration” Keloids on the penis are rare, often triggered by circumcision, and rarely recur after surgery.
July 2025 in “InnovAiT Education and inspiration for general practice”
23 citations
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October 2015 in “Andrology” New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
Some drugs can reduce male semen quality.
Finasteride and testosterone are the drugs most linked to male infertility, but many other potential drugs may be under-reported.
March 2023 in “Oxford University Press eBooks” 6 citations
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January 2011 in “European Journal of Dermatology” It's important to consider genetic hair disorders when diagnosing hair loss.
98 citations
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July 1983 in “Journal of Steroid Biochemistry” Individuals with this condition often develop male traits and identities at puberty despite being raised as females.
45 citations
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August 1994 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method detects finasteride in plasma and semen with high sensitivity and accuracy.
May 2022 in “European medical journal” An 11-year-old girl with Trichotillomania developed a large hairball in her stomach, treated with medication, therapy, and family education.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
1 citations
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January 2014 The F9 formulation of Finasteride tablets, using Eudragit, successfully controlled drug release.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
4 citations
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April 2018 in “Biotechnology Letters” Human growth factor 20 can boost mouse whisker growth.