January 2026 in “Neurochemistry International” 24-Hydroxycholesterol reduces DHT formation in brain cancer cells, linking cholesterol and hormone metabolism.
December 2025 in “Biology” Male and female mice handle stress differently.
December 2025 in “International Journal of Molecular Sciences” Centella asiatica extract taken orally can reduce skin aging from UVB exposure.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
September 2024 in “Medicina” Certain gene variations may protect against skin issues and oxidative stress in women with PCOS.
January 2024 in “Biology of sex differences” Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.
November 2023 in “Frontiers in Neuroendocrinology” Some people experience lasting sexual, psychological, and sleep problems after using finasteride or SSRI antidepressants, possibly due to similar underlying causes.
July 2023 in “Frontiers in Veterinary Science” Melatonin helps hair grow by activating the RORα receptor in goats.
April 2023 in “Tropical Animal Health and Production” Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.
January 2022 in “IntechOpen eBooks” Some lesser-known causes of PCOS include autoimmune issues, genetic mutations, and changes in the body's microbiome.
November 2012 in “Endocrine Practice” Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
March 2026 in “Journal of Ovarian Research” PRP may help improve ovarian function, but more research is needed for consistent results.
February 2025 in “International Urology and Nephrology” Peripheral treatments showed some improvement in sexual dysfunction, but central symptoms remain challenging.
13 citations
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September 2022 in “Journal of Animal Behaviour and Biometeorology” Elephants use their skin, ears, and behavior to cool down, but climate change makes it harder for them.
9 citations
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April 2018 in “Biology of reproduction” Diet changes hormone levels in pregnant ewes by affecting metabolism, not placental synthesis.
8 citations
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January 2022 in “BMC Biology” Environmental factors affect reproductive traits by altering the SRD5A1 gene.
7 citations
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January 2019 in “Journal of clinical medicine research” Menopause causes significant changes in the vaginal introitus, but less so in the labia majora, which may lead to symptoms of vaginal atrophy.
July 2025 in “Reproductive Biology and Endocrinology” Early androgen exposure affects hormone receptor expression in adult female rats' brains, but not in males.
January 2025 in “Cosmetics” Exosomes could help treat skin and hair issues by improving healing and reducing stress.
September 2023 in “Middle East Fertility Society Journal” Nicotine may help treat both Parkinson's disease and infertility.
1 citations
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June 2023 in “Reproduction” Microglia, the brain's immune cells, may contribute to Polycystic Ovary Syndrome (PCOS) by altering the female brain's structure and function, with kisspeptin neurons and GABA neurotransmitters also playing a role.
8 citations
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February 2022 in “Vascular Health and Risk Management” Some skin conditions may increase the risk of heart disease, and understanding their connection could lead to better treatments.
April 2020 in “Archivos españoles de urología” Dutasteride does not seem to change rat spermatogenesis or oxidative stress.
38 citations
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October 2013 in “Gynecologic and Obstetric Investigation” Severe iron deficiency lowers fertility in female rats.
June 2014 in “Basic & Clinical Pharmacology & Toxicology” Some plant extracts may treat livestock diseases, certain animal treatments are safe and effective, but more research on drug safety and resistance is needed.
14 citations
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August 1943 in “Archives of Dermatology” Applying estradiol to skin causes local changes but not cancer.
9 citations
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March 1998 in “PubMed” Surgery successfully treated the ferret's adrenal issue, leading to hair regrowth and improved health.
3 citations
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March 2014 in “Veterinary dermatology” Norwegian puffin dogs have a unique type of hair loss that often doesn't get better on its own and responds well to ciclosporin treatment.
20 citations
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January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
17 citations
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August 1971 in “Journal of Investigative Dermatology”