Alopecia areata and risk of atopic and autoimmune conditions: population-based cohort study.
Susan HolmesMatthew HarriesAbby E MacbethWing S ChiuSimon de LusignanAndrew G MessengerChristos TziotziosPublished in: Clinical and experimental dermatology (2022)
People with AA have an increased burden of atopic and autoimmune comorbidity. This supports previous work suggesting that both T helper cell (Th)1 and Th2 immune responses may be implicated in the pathogenesis of AA.