3. Certain Cancers
Cancer.net says that adult obesity is an even bigger problem than childhood obesity, with 2-thirds of adults either considered obese or overweight. These conditions can lead to an increased risk of certain types of cancer, such as breast cancer, kidney cancer, colorectal cancer, prostate cancer and several others, notes the source.
The article explains several studies have focused on the relationship of obesity to cancers. The possible reasons uncovered include increased insulin levels and insulin growth factor-1 (IGF-1); chronic inflammation; and higher estrogen levels from fatty tissue.