Key Takeaways

Alcohol overuse can cause serious harm to the liver

New research suggests that heavy drinkers may gain a degree of liver protection from the use of cannabis

It's possible that the CBD component of marijuana is helping liver cells cope with alcohol-linked damage

MONDAY, Nov. 24, 2025 (HealthDay News) — A study of more than 66,000 U.S. adults finds that heavy drinkers who also used cannabis were less likely to develop liver disease than those who drank heavily without using weed.

While the study authors were quick to say that this isn’t a recommendation to start smoking cannabis, the CBD component of the plant might help protect imperiled livers.

“CBD appears to calm inflammation and reduce some of the chemical signals that drive liver scarring,” said study senior autho

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