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July 1981 in “Journal of Endocrinology” α-MSH and cyclic AMP boost melanin production, while cyclic GMP and melatonin reduce it.
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September 2014 in “Journal of Pediatric and Adolescent Gynecology” Irregular menstrual cycles in teenagers are linked to a higher risk of polycystic ovary syndrome and metabolic syndrome.
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February 1977 in “PubMed” Increasing light exposure in winter can make mares ovulate and cycle earlier.
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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.
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May 2018 in “Endocrine” Women with regular menstrual cycles and PCOS have linked kisspeptin and LH hormone patterns, unlike those with irregular cycles.
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January 2026 in “Cell Discovery” Understanding wound healing involves coordinating different phases and areas to improve treatment strategies.
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July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Neural stem cells use local feedback to maintain balance in the adult brain.
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July 2020 in “Experimental Physiology” Traditional methods may not fully capture how the brain and breathing systems respond to carbon dioxide changes.
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September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
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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.
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June 2026 in “CUNY Academic Works (City University of New York)” A new method can measure stress levels in pregnant women using hair samples.
April 2023 in “International Journal of Pharmaceutics” Melatonin in a special emulsion can help treat hair loss more effectively.
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January 2004 in “The International journal of developmental biology” Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.
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March 1975 in “British Journal of Dermatology” A new method accurately measures cyclic AMP levels in small skin and hair samples.
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October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” G2 stem cells control calcium signaling for skin regeneration.
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January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.