Obesity paradox in cancer: new insights provided by body composition

Obesity, defined by body mass index (BMI), appears to have a paradoxical protective effect in several chronic diseases.We investigated the obesity paradox in cancer patients by using body composition.The study was an observational study of 175 cancer patients assessed before chemotherapy. Obesity was defined as BMI (in kg/m(2)) ≥30 or fat mass index (FMI; fat mass divided by the square of height) ≥5.2 (men) and ≥8.2 (women) measured by using a...