Colorectal cancer cases in kids have risen sixfold over past 2 decades ‪—‬ researchers are racing to understand why

More children, teens and very young adults are being diagnosed with colorectal cancer in the United States, and new research suggests they often experience aggressive forms of the disease. While diagnosis rates are rising, the disease is still rare among young people. Colorectal cancer, which affects the lower intestines and rectum, is largely a disease of age: 55% of all colorectal cancers are…