26 citations,
November 1993 in “Progress in Neuro-psychopharmacology & Biological Psychiatry” Treatment during development affects hormone balance and sexual behavior in male rats.
12 citations,
January 2013 in “Alcohol and Alcoholism” Alcohol in teen years leads to more adult drinking, finasteride doesn't help.
6 citations,
April 2015 in “Behavioural Brain Research” Finasteride worsens stress effects on sensory processes, possibly linking to anxiety/depression.
4 citations,
July 2013 in “Journal of Dermatological Science” Pregnancy right after giving birth in mice lacking IL-10 causes milk that leads to liver issues and hair loss in their babies.
1 citations,
January 2017 in “Tohoku journal of experimental medicine” A woman's mature cystic teratoma caused her virilization by producing testosterone.
August 2015 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia/Arquivo brasileiro de medicina veterinária e zootecnia” Caffeine intake during pregnancy and lactation can cause skin lesions in mother rats and their babies, not linked to cortisol levels.
44 citations,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
11 citations,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
November 2022 in “Skin health and disease” People with hair loss conditions often have more mental health issues like depression and anxiety compared to those without hair loss.
11 citations,
November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.
2 citations,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
September 2023 in “Biomedicines” Squalene may be a marker for certain types of alopecia.
51 citations,
August 2012 in “Differentiation” Mouse genital development depends on male or female hormones for specific features.
9 citations,
April 2018 in “Biology of reproduction” Diet changes hormone levels in pregnant ewes by affecting metabolism, not placental synthesis.
7 citations,
September 2022 in “Communications biology” Omega-6 fats in certain cells boost male hormone production.
5 citations,
February 2019 in “Neuroscience letters” Hormones during puberty increase certain receptors in the brain, and this change is influenced by estrogen levels.
1 citations,
October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
Editing the FGF5 gene in sheep increases fine wool growth.
May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
Neurosteroids help regulate oxytocin levels, especially during stress and pregnancy, to protect against premature labor.
56 citations,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
55 citations,
August 2008 in “Reviews in endocrine and metabolic disorders” Nonclassic adrenal hyperplasia is a genetic condition that can cause early puberty and fertility problems, treated with specific steroids.
52 citations,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
48 citations,
January 2000 in “Hormone Research in Paediatrics” Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.
42 citations,
April 2013 in “Steroids” Non-classic congenital adrenal hyperplasia is a common disorder causing symptoms like acne and infertility, and it's managed based on symptoms, not just test results. Treatment can improve fertility and reduce miscarriage risk.
40 citations,
February 2005 in “Fertility and Sterility” Some women with PCOS have CYP21 mutations and IRS1 variants, but these genetic factors are not major contributors to PCOS.
24 citations,
May 1982 in “Biochemical Pharmacology” These drugs cause hair growth without affecting testosterone or adrenal hormones.
21 citations,
April 1995 in “Mayo Clinic Proceedings” Leydig cells can cause testosterone-secreting adrenal tumors in women.
20 citations,
December 2000 in “Fertility and Sterility” The N363S gene variant does not cause higher adrenal androgen levels in women with polycystic ovary syndrome.