Health officials are voicing concern over a steady rise in colorectal cancer cases among younger adults, a trend that has puzzled researchers and raised urgent questions about prevention. Traditionally considered a disease affecting older populations, colorectal cancer is now being diagnosed more frequently in people under 50.

Recent data from cancer registries show that not only are cases increasing, but many are being detected at more advanced stages. This delay in diagnosis is often linked to the fact that symptoms — such as changes in bowel habits, unexplained weight loss, or blood in the stool — can be overlooked or misattributed to less serious conditions.

Experts say the exact reasons for the surge aren’t yet clear, though possible factors include dietary patterns, sedentary lifestyles, changes in gut microbiome, and environmental influences. Genetics still play a role, but they do not fully explain the trend in otherwise healthy young adults with no family history of the disease.

In response, several medical groups are recommending earlier screening. The American Cancer Society, for instance, now advises starting routine colon cancer screening at age 45, and sooner for those with risk factors.

Public health campaigns are also working to raise awareness about symptoms and encourage people to seek medical advice promptly if they notice anything unusual. Early detection remains one of the most effective ways to improve survival rates.

For now, doctors emphasize that small lifestyle adjustments — such as maintaining a balanced diet, exercising regularly, limiting alcohol, and avoiding tobacco — can help reduce risk. The hope is that greater awareness will lead to more timely diagnoses and better outcomes for younger patients facing this disease.