77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
16 citations,
July 1992 in “The journal of experimental zoology/Journal of experimental zoology” Adrenal glands delay the start of winter fur growth in mink.
5 citations,
July 1994 in “PubMed” Finasteride, when taken daily, lowers dihydrotestosterone levels but doesn't noticeably affect adrenal steroid production, except by blocking the 5 alpha-reductase enzyme.
32 citations,
January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
July 1998 in “Chromatographia” Women with effluvium have higher levels of certain urinary steroids, possibly due to stress and increased adrenal activity.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
4 citations,
August 2021 in “Theriogenology” Neurosteroids play a key role in controlling the brain-adrenal gland activity in pregnant sheep, both in normal and stressful situations.
70 citations,
April 2014 in “Annales d'endocrinologie” New genes and pathways are important for testosterone production and male sexual development.
7 citations,
January 2020 in “Nature” Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.
18 citations,
February 2020 in “Journal of pharmaceutical and biomedical analysis” The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
106 citations,
January 2013 in “Clinical and Developmental Immunology” Alopecia areata is caused by immune system attacks on hair follicles, often triggered by viral infections.
11 citations,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
13 citations,
October 2002 in “Journal of Biochemical and Biophysical Methods” Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.
7 citations,
October 2019 in “Case reports in endocrinology” A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.
Proper care and diet are crucial to prevent health issues in gerbils.
142 citations,
January 2019 in “Frontiers in Neuroendocrinology” Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.
125 citations,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
113 citations,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
76 citations,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
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.
26 citations,
November 2006 in “Pharmacology, Biochemistry and Behavior” Pregnancy reduces anxiety in rats, but finasteride reverses this effect.
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.