Plasma klotho levels decrease in both anorexia nervosa and obesity. - Amitani M; Asakawa A; Amitani H; Kaimoto K; Sameshima N; Koyama KI; Haruta I; Tsai M; Nakahara T; Ushikai M; Cheng KC; Hamada S; et al. (Nutrition (Burbank, Los Angeles County, Calif.), 2013)