Limit your alcohol consumption? Just 14 drinks per week increase the risk of colon cancer by 25%

By Editor On Jan 28, 2026

New research shows a direct link between alcohol consumption and Risk of colon cancer.

Consumes average 14 or more alcoholic drinks per week increases the risk of colon cancer by 25% and more than doubles the risk of rectal cancer, providing a clear goal for those who want to curb the risk through moderation.

The critical number: 14 drinks per week

A groundbreaking study published in the American Cancer Society’s journal Cancer analyzed data from nearly 90,000 adults over two decades. It was found that people with a lifetime average of 14 or more weekly drinks had a 25% higher risk of colorectal cancer and an incredible 95% higher risk of rectal cancer than people who drank low alcohol (less than one drink per week).

Moderation is important, but quitting helps even more

The study defined moderate consumption as 7-14 drinks per week, which poses a lower risk than heavy drinking. Most encouragingly, the data suggests that among former drinkers who quit smoking, the risk may return to levels similar to those of light drinkers. “We were encouraged to see that their risk may be back to that of light drinkers,” said co-author Erikka Loftfield of the National Cancer Institute.

Why this warning is urgent: A shift in cancer demographics

This research increases the urgency of new findings that colorectal cancer is now the leading cause of cancer death in Americans under 50. “This can no longer be described as a disease of old age,” said Dr. Ahmedin Jemal from ACS. The increasing rates in younger adults, combined with the proven association with alcohol, highlight the importance of lifestyle factors in prevention.

Official advice: “Drink less.”

The latest U.S. Dietary Guidelines reflect this evolving science and have shifted from recommending a specific drinking limit to a broader warning: “Consume less alcohol.” Experts like Christopher Kahler of Brown University emphasize that “every level of alcohol consumption carries some risk, and this increases with increasing alcohol consumption.”

Health and Wellness Basics:

Sources:

This report is based on the peer-reviewed Study in Cancer and data from the American Cancer Society.

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