 This study suggests that genetically predicted atopic dermatitis may be a risk factor for type 1 diabetes and type 2 diabetes. This finding implies that there are shared pathological mechanisms between atopic dermatitis and diabetes, which could lead to earlier diagnosis and prevention of atopic dermatitis in order to reduce the incidence of diabetes. This article was authored by Fei Wei Lu, Bo Ting Wu and Yong Xia Wang.