March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
21 citations
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
December 2025 in “The Journal of Basic and Applied Zoology” Red Sokoto goat fetuses develop firmer, pigmented skin with hair follicles as they grow.
185 citations
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February 2018 in “Journal of Investigative Dermatology” Melatonin may benefit skin health and could be a promising treatment in dermatology.
3 citations
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September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.