May 2007 in “The Journal of Urology” Finasteride lowers PSA levels in men, certain factors increase testicular cancer risk, and current guidelines for penile cancer may lead to unnecessary surgeries.
6 citations
,
April 2011 in “British journal of oral & maxillofacial surgery/British journal of oral and maxillofacial surgery” Surgeons' testosterone levels significantly increase during major head and neck cancer surgeries.
8 citations
,
May 1982 in “Journal of Endocrinology/Journal of endocrinology” Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
229 citations
,
March 2001 in “European journal of endocrinology” Testosterone levels influence male behaviors and physical traits, but this relationship is complex and influenced by both internal and external factors.
December 2023 in “International journal of molecular sciences” Chromosomal differences affect how muscle cells respond to testosterone.
27 citations
,
February 2005 in “Journal of Cellular Biochemistry” Male cells need DHT to respond to testosterone, while female cells do not.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
14 citations
,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
2 citations
,
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.
12 citations
,
October 2018 in “Aging male/The aging male” Higher BMI and lower testosterone are linked to more aggressive prostate cancer.
June 2025 in “Reports of Vinnytsia National Medical University” Men with alopecia areata tend to have larger limb and trunk circumferences than healthy men.
1 citations
,
August 2013 in “PubMed” Testosterone changes reduce thyroxin levels in rats.
4 citations
,
January 2013 in “PubMed” Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.
31 citations
,
January 2018 in “Pediatric annals” Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.
4 citations
,
January 2011 in “Dermatology” A patient grew extra hair on their ears after treatment for testicular cancer, possibly due to hormonal changes or genetics.
6 citations
,
January 2016 in “International Journal of Trichology” The conclusion is that more hair loss (androgenetic alopecia) is linked to larger prostate size, suggesting hair loss could be an early sign of benign prostatic hyperplasia.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
12 citations
,
March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
January 2005 in “Journal of Investigative Medicine” Testosterone boosts physical performance, grip strength, and lean body mass in older men with low testosterone.
51 citations
,
March 2006 in “Bioorganic & Medicinal Chemistry” Newly made nicotinamide compounds could potentially treat cancer.
37 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
24 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Women's ovarian hormones and adrenal androgens change throughout life, affecting hair loss and health.
15 citations
,
October 2010 in “International Journal of Dermatology” Women with AGA have higher lipid levels, increasing heart disease risk.
15 citations
,
March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
5 citations
,
January 2017 in “Biomedical Research-tokyo” Long-term steroid abuse in athletes causes serious health risks, outweighing any benefits.
1 citations
,
December 2017 in “Research for Rural Development/Research for Rural Development (Online)” Neutered ferrets often develop hyperadrenocorticism, with symptoms like hair loss and lethargy, and androstenedione is a key indicator for diagnosis.
1 citations
,
July 2013 in “JAMA Dermatology” Dermatologists should address erectile dysfunction in patients with skin conditions to improve their quality of life.