75 citations
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January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
8 citations
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October 1989 in “Journal of the American Academy of Dermatology” A 5-year-old boy's seasonal hair loss is linked to his allergies.
February 2017 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Immunotherapy helped a 5-year-old boy regrow hair and prevent seasonal alopecia areata.
37 citations
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January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
1 citations
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September 2017 in “Journal of Investigative Dermatology” Hair loss is more common in summer and fall.