8 citations,
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.
5 citations,
October 2013 in “Veterinary Clinics of North America: Equine Practice” Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.
July 2017 in “British Journal of Dermatology” The document concludes that scalp conditions have various causes and can present in many different ways.
April 2020 in “Arquivo Brasileiro De Medicina Veterinaria E Zootecnia” A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.