Large studies of populations have indicated that obesity is a significant risk factor for almost all types of human cancer including endometrial, colon, breast, and prostate. Quite simply, individuals who eat less energy and maintain body weights closer to their ideal body weight tend to be at a lower risk for most cancers. Whether increased body fat directly causes cancer is doubtful, but research suggests that some of the chemicals that swollen fat cells release can increase the rate of developing cancer. This is because some of these chemicals are associated with the growth of cells and tissue.
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