Having a Pet Dog Reduces Risk for Childhood Atopic Dermatitis

Cody Chang May Help His Household Avoid Atopic Dermatitis The hygiene hypothesis was proposed in 1989 as a possible explanation for the rapidly increasing prevalence of atopic dermatitis (AD) and other allergic and autoimmune diseases in developed nations. This hypothesis posits that reduced exposure to infectious agents in early life alters immune system maturation. Findings on pet exposure and risk for (AD) in children are inconsistent. Therefore, …