28 citations,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
11 citations,
September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
May 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Testosterone significantly affects urination differences between male and female mice.
4 citations,
August 2017 in “Journal of Cosmetic Dermatology” Finger length ratio may indicate male hair loss.
September 2022 in “F1000Research” Removing hair from mice without reproductive glands led to grey hair, possibly helping to understand greying in aging.