January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
June 2001 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” Finasteride improves hair growth in men with androgenetic alopecia.
December 2015 in “PLOS ONE”
7 citations
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December 2020 in “Endocrine-related Cancer” The over-the-counter supplement DHEA could make COVID-19 worse, especially in diabetics and people with G6PD deficiency.
27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
December 2025 in “Chemical Biology & Drug Design” Hesperidin may help reduce hair loss by protecting hair follicles.
60 citations
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May 2006 in “Journal of Neurochemistry” Social isolation makes rats more sensitive to alcohol's effects on the brain.
January 1990 in “Medical Entomology and Zoology” A new method can quickly detect alcohol abuse by analyzing hair in under an hour.
October 2023 in “Research Square (Research Square)” Oxidative stress is linked to mild patchy alopecia areata.
4 citations
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February 2025 in “Molecular Medicine” 5-aminolevulinic acid therapy reduces acne by decreasing fat production in skin cells.
3 citations
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October 2024 in “Experimental Dermatology” Higher CRHR1 levels in AA patients lead to increased inflammation.
Early NAS level changes affect alcohol consumption vulnerability.
63 citations
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May 2015 in “PloS one” GALT5 and GALT2 are important for plant growth and development because they help with protein glycosylation.
March 2014 in “Human Physiology” DHEA improved brain function and behavior in old monkeys and had additional health benefits.
September 2024 in “Journal of the American Academy of Dermatology” 2 citations
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October 2023 in “Philosophical Transactions of the Royal Society B Biological Sciences” Different PADI isoforms help cells develop diverse functions.
2 citations
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August 2016 in “Journal of Investigative Dermatology” June 2021 in “The American Journal of the Medical Sciences” Androgenetic alopecia is linked to a higher risk of coronary heart disease due to certain genetic factors and high homocysteine levels.
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
13 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Mutations in the DSG4 gene cause fragile, sparse hair in humans, mice, and rats.
4 citations
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March 2017 in “Al-Mi’galaẗ al-sa'udiyaẗ lī-ulum al-ḥayaẗ” Leonuri Herba alkaloids may help treat hormone-induced enlarged prostate in rats.
January 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with androgenetic alopecia do not have elevated DHEA-S levels.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
October 2021 in “QJM: An International Journal of Medicine” Changes in NRF2 levels may contribute to hair loss in Egyptian men.
4 citations
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July 2020 in “Biochemical and Biophysical Research Communications” A protein called ectodysplasin-A2 increases a hair growth inhibitor in balding cells, which could be a target for hair loss treatment.
14 citations
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February 1991 in “FEBS Letters” Introducing the rat OTC gene partially corrected OTC deficiency in mice.
28 citations
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March 1973 in “The Journal of Clinical Endocrinology & Metabolism” Altered DHEA metabolism in hair follicles may be linked to hair loss in balding men.
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August 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A specific gene mutation causes hair loss and potential eye issues, even if vision seems normal.
16 citations
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March 2022 in “Clinica Chimica Acta” Idiopathic hirsutism may be linked to increased enzyme activity.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.