Stress significantly contributes to hair loss, especially in women and those aged 31-40.
June 2022 in “Research Square (Research Square)” Lipid peroxidation may worsen social behavior issues in autism.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Certain small molecules can help regrow hair by turning on the body's cell cleanup process.
30 citations
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August 1983 in “Pediatric Clinics of North America” Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.
1 citations
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July 2014 in “Nepal journal of dermatology, venereology & leprology” Patients with chronic kidney disease on hemodialysis often have skin problems.
1 citations
,
June 2011 in “Journal of Genetics” Some human genetic markers work for genetic studies in pig-tailed and stump-tailed macaques, which can help in their conservation.
January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
Dutasteride is more effective and better tolerated than finasteride for hair loss treatment.
2 citations
,
July 2025 in “Journal of Ovarian Research” Going to bed late may increase hormones and decrease muscle in women with PCOS.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
11 citations
,
June 2021 in “Preprints.org” Melatonin may help with atopic dermatitis by reducing inflammation and improving sleep.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
Intermittent fasting slows hair growth by damaging hair follicle cells.
November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.
September 2024 in “Brazilian Journal of Hair Health” Nutrients can help improve hair growth and thickness caused by pollution.
A woman's Cushing's syndrome caused by adrenal cancer improved after surgery.
June 2025 in “Electronic Journal of General Medicine” Melatonin may help regrow hair, but more consistent research is needed.
Hair cortisol levels can effectively indicate long-term hormone activity.
160 citations
,
April 2014 in “Drug discovery today” Melatonin helps regulate sleep and may aid in treating various health issues.
26 citations
,
March 2001 in “PubMed” Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
176 citations
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January 2013 in “Proceedings of the National Academy of Sciences” BMP and Wnt signaling balance controls hair follicle stem cell activity and hair growth.
81 citations
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May 2019 in “Frontiers in Endocrinology” Melatonin may improve some hormonal and inflammatory issues in women with PCOS.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
44 citations
,
September 2020 in “International Journal of Molecular Sciences” New treatments are needed for PCOS that target its genetic, hormonal, and metabolic causes.
32 citations
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September 1996 in “Archives of Dermatological Research” 30 citations
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July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
26 citations
,
February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
26 citations
,
July 1995 in “Small ruminant research” Melatonin implants affect the growth and pattern of cashmere goat fleece depending on the time of year they are given.
23 citations
,
January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.