Nutritional Epidemiology Institute and School of Public Health Medical University 300070;
Department of Toxicology and Sanitary Chemistry of Public Health Medical University 300070;
Health Management Centre Medical University General Hospital 300070;
Nutrition and Radiation Epidemiology Research Center of Radiation Medicine Academy of Medical Sciences&Peking Union Medical College 300192;
Tianjin Key Laboratory of Environment and Public Health 300070;
Center for International Collaborative Research on Environment and Public Health 300070;
Edible mushrooms; Subclinical thyroid dysfunction; Obese individuals; Cohort study;