31 citations
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September 2012 in “Human Brain Mapping” People with Seasonal Affective Disorder have different brain activity in certain areas when resting.
19 citations
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October 2013 in “Headache: The Journal of Head and Face Pain” The document concludes that inhalation of oxygen and sumatriptan injections are primary for cluster headaches, indomethacin for paroxysmal hemicrania, and lidocaine and lamotrigine for SUNCT, but SUNCT often resists treatment.
13 citations
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August 2016 in “Medical Hypotheses” Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.
2 citations
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June 2022 in “Scientific reports” Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
1 citations
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March 2023 in “PloS one” Different amounts of daylight affect cashmere growth in goats by changing the activity of certain genes and molecules.
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.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
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.
1 citations
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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.
Dutasteride is more effective and better tolerated than finasteride for hair loss treatment.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
9 citations
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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.
11 citations
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June 2021 in “Preprints.org” Melatonin may help with atopic dermatitis by reducing inflammation and improving sleep.
10 citations
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September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
June 2025 in “Electronic Journal of General Medicine” Melatonin may help regrow hair, but more consistent research is needed.
160 citations
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April 2014 in “Drug discovery today” Melatonin helps regulate sleep and may aid in treating various health issues.
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
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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
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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
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January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
18 citations
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March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
11 citations
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June 2021 in “Frontiers in Cell and Developmental Biology” Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.
6 citations
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September 1996 in “Archives of Dermatological Research” 4 citations
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May 2022 in “PeerJ” Melatonin may help hair growth by affecting cell growth and hair-related signaling pathways.