Fair skin, not red hair, affects health due to possible vitamin D deficiency.
5 citations
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February 2012 in “Australasian Journal of Dermatology” Two red-haired men with alopecia areata regrew black hair instead of red.
Dark hair with a red beard likely evolved for camouflage, not attraction.
1 citations
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January 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
June 2025 in “Clinical and Experimental Dermatology” Baricitinib treatment led to dark brown hair regrowth in a red-haired woman with alopecia areata.