Colorectal Cancer Archive

After removal of precancerous growths (polyps) in the colon, return for a follow-up colon exam in three, five, or 10 years, depending on the number and types of growths that the doctor found and removed. A healthy diet can help prevent cancer.

A 2025 study that included 97,000 people found that those who ate the most cruciferous vegetables-between 20 and 40 grams per day-had a 17% lower risk of developing colon cancer, compared with people who ate the least.

A 2025 research review found that adhering to the DASH diet-which emphasizes eating fruits, vegetables, lean protein, whole grains, nuts, and low-fat dairy products-is linked to a lower risk of developing colorectal cancer.

In a 2025 study of about 900 people treated for colon cancer (followed for an average of eight years), people who took part in a supervised exercise program for three years had about 30% better odds of surviving, compared with people who weren't in the program.

A 2025 study suggested that boosting dietary calcium intake may reduce the odds of developing colorectal cancer, while drinking more alcohol may raise risks for the disease.

In 2024, the FDA approved a blood test called Shield as a screening method for colorectal cancer. The test detects 83% of colorectal cancers, but only 13% of precancerous polyps. The FDA approval means that now many insurance plans will pay for the test.

Of the cancer screening tests for men, tests for colon cancer has the strongest evidence for benefit. Men who opt in for prostate cancer screening may have more options beyond PSA blood testing to more accurately identify aggressive cancers. Other screening tests such as full body scans have not been shown to improve outcomes.