84 citations
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July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
9 citations
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February 2001 in “Journal of Dermatological Science” p21waf1/cip1 and p27kip1 help in hair follicle differentiation in rats.
10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
10 citations
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December 2015 in “International Journal of Molecular Sciences” PDCD4 is important for controlling skin cell growth and healing.
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February 1991 in “Journal of Biological Chemistry”
June 2008 in “CRC Press eBooks” PCOS may have evolved as an advantage in past environments with food scarcity.
2 citations
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June 2012 in “Journal of Dermatological Science” The gene HDC is important for the development of hair follicles in newborn mice.
December 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” Endoglin is important for proper hair growth cycles and stem cell activation in hair follicles.
Understanding hair follicle interactions can help treat male pattern baldness.
37 citations
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January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
19 citations
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April 2020 in “Psychological Medicine” The study found three different timing patterns of symptoms in women with premenstrual dysphoric disorder.
January 2010 in “BMC Genomics” Key genes influence cashmere growth cycles, aiding goat breeding.
31 citations
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September 2016 in “PLoS ONE” Cell division orientation varies by body site and is linked to epidermal thickness and cell density.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
2 citations
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April 2018 in “SLEEP” People with rheumatoid arthritis have poorer sleep quality than healthy individuals.
74 citations
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February 2011 in “Headache The Journal of Head and Face Pain” Sumatriptan injections, high-flow oxygen, and verapamil effectively treat cluster headaches.
51 citations
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July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
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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.
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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.
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.
Hair cortisol levels can effectively indicate long-term hormone activity.
A woman's Cushing's syndrome caused by adrenal cancer improved after surgery.
April 2023 in “International Journal of Pharmaceutics” Melatonin in a special emulsion can help treat hair loss more effectively.
1 citations
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March 1989 in “Proceedings of the British Society of Animal Production” Hormones and daylight changes control when cashmere goats shed their hair.
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April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Cell size independently controls when stem cells divide.
2 citations
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October 2024 in “Archives of Dermatological Research”