Human Scalp Hair as a Thermoregulatory Adaptation

    June 2023 in “ Proceedings of the National Academy of Sciences ”
    Tina Lasisi, James W. Smallcombe, W. Larry Kenney … George Havenith
    Studysummary This study found that human scalp hair significantly reduces solar radiation intake, with more tightly curled hair offering greater protection against heat gain compared to a naked scalp.
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    Research cited in this study 3

    1. Variation in Human Hair Ultrastructure Among Three Biogeographic Populations Journal of structural biology · 2018
    2. Quantifying Variation in Human Scalp Hair Fiber Shape and Pigmentation American Journal of Physical Anthropology · 2016
    3. The Twisting Tale of Woolly Hair: A Trait with Many Causes Journal of medical genetics · 2015