Colorectal Cancer Surges in Kids and Teens: A Sixfold Rise Over Two Decades

Colorectal cancer, long considered a disease of older adults, is now striking children, teenagers, and young adults at an alarming rate. New data shows cases in this age group have risen sixfold over the past two decades, according to recent research. While still rare, the trend is forcing doctors and scientists to rethink risk factors, symptoms, and screening guidelines for younger populations. The cancers in young patients also tend to be more aggressive and diagnosed at later stages, making treatment more difficult. Researchers are racing to understand what is driving the increase—whether it is diet, obesity, antibiotics, environmental exposures, or changes in the gut microbiome. The rise mirrors similar increases in early-onset colorectal cancer among adults under 50, a group that has seen a steady climb in diagnoses since the 1990s. For parents and pediatricians, the key is awareness: symptoms like persistent abdominal pain, blood in the stool, or unexplained weight loss should not be dismissed. The next few years of research will be critical in identifying prevention strategies and potential screening tools for this vulnerable group.