Early Screening Urged for High-Risk Groups Before Age 45

Colorectal cancer is increasingly affecting adults under 50, prompting doctors to call for earlier screening in high-risk groups even before 45. Official guidance still starts average-risk screening at 45, but those with strong family history, hereditary syndromes (such as Lynch syndrome, FAP, MAP, Peutz–Jeghers, Juvenile Polyposis), or inflammatory bowel disease may need earlier and/or more frequent colonoscopies. Colonoscopy remains the gold standard for detection and prevention by removing precancerous polyps, while stool tests exist as alternatives but are not ideal for high-risk individuals. Red flags like rectal bleeding, persistent changes in bowel habits, abdominal pain, anemia, or unexplained weight loss warrant prompt evaluation regardless of age. Insurance coverage generally aligns with screening guidelines, though diagnostic testing prompted by symptoms can affect costs.