The right answer is Cancer.
Obesity is an excess of fat that has adverse health consequences. It is defined by a Body Mass Index (BMI) greater than 30 kg / m². Index calculated by the weight in kilograms divided by the square of the height in meters.
Obesity is classified as a carcinogen with a level of convincing evidence for cancers of the esophagus, colon-rectum, pancreas, liver, kidney, gall bladder, prostate advanced stage), breast after menopause and endometrium.