Association between obesity and mortality from hematological malignancies among Japanese adults: The Japan Collaborative Cohort study

by Hana Wakasa, Satoshi Sunohara, Takashi Kimura, Takaya Ichikawa, Akiko Tamakoshi

Obesity is a growing global health concern and has been associated with increased mortality from various cancer types, including hematological malignancies. However, evidence for this association in Asian populations, particularly among Japanese adults, remains limited. Thus, this study aimed to examine the association between obesity and mortality due to hematological malignancies. Data from 97,073 participants in the Japan Collaborative Cohort (JACC) Study were analyzed. The participants were followed for a mean duration of 17 years. Body mass index (BMI) was calculated using self-reported height and weight and categorized as underweight (