March 2021 in “Research Square (Research Square)” Stress likely causes hair loss in Formosan macaques.
17 citations,
August 1967 in “JAMA” The rapid corticotropin test is a quick and simple way to diagnose adrenal insufficiency.
141 citations,
January 1984 in “Journal of The American Academy of Dermatology” Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.
64 citations,
June 1992 in “International Journal of Dermatology” Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.
35 citations,
December 2014 in “Clinical Obstetrics and Gynecology” Most skin changes during pregnancy go away after giving birth.
August 2020 in “Current psychopharmacology” Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.
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.
24 citations,
April 2008 in “Fertility and sterility” Pioglitazone improved insulin sensitivity and altered cortisol metabolism in PCOS patients.
2 citations,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
20 citations,
July 2006 in “Veterinary dermatology” Melatonin helped some Pomeranian dogs regrow hair, but it wasn't linked to estrogen receptors.
8 citations,
January 1987 in “Gynecological Endocrinology” Flutamide, an antiandrogen, has minimal impact on female rat endocrine systems and does not significantly change their reproductive cycles.
23 citations,
June 2015 in “Clinica Chimica Acta” Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
3 citations,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
February 2023 in “Malaysian Journal of Science. Series B, Physical & Earth Sciences” Analyzing bear poop helps measure their stress without harming them.
January 2023 in “Research Square (Research Square)” Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
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.
16 citations,
January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
5 citations,
January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
5 citations,
November 1992 in “Current problems in dermatology” Glucocorticoids are powerful anti-inflammatory drugs that must be used carefully to avoid serious side effects.
3 citations,
January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
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.
10 citations,
November 2015 in “American Journal of Primatology” Monkeys with more anxious or inhibited temperaments tend to have less hair loss.
5 citations,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
4 citations,
April 2016 in “American Journal of Primatology” Where a rhesus macaque used to live can affect its chances of getting alopecia later in life, and females are more likely to be affected than males.
January 2015 in “Side effects of drugs annual” The document concludes that sex hormones and related compounds have various effects on health, with both potential benefits and risks.
22 citations,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
April 2023 in “Dentistry” Baby teeth stem cells can potentially grow organs and treat diseases.
20 citations,
March 2017 in “Reproductive Biology and Endocrinology” Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.
40 citations,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
PCOS has a strong genetic basis, but more research is needed to fully understand it.