The age‐related obesity paradigm: results from two large prospective cohort studies oleh Yi‐Zhong Ge, Tong Liu, Li Deng, Qi Zhang, Chen‐An Liu, Guo‐Tian Ruan, Hai‐Lun Xie, Meng‐Meng Song, Shi‐Qi Lin, Qin‐Hua Yao, Xian Shen, Han‐Ping Shi, Investigation on the Nutrition Status and Clinical Outcome of Common Cancers (INSCOC) Group