What does the research say about primary malignant brain tumor?

Primary malignant brain tumor

There are 3 papers on primary malignant brain tumor in aging research: 2 observational studies in people, 1 review.

3 papers study it4 more mention it2 findings

“participants who drank almost daily had a higher risk (vs. non-drinkers) (HR, 2.61; 95% CI, 1.21-5.61; P-trend = 0.0347).”

Heavy episodic drinking

no changein humans1

1 study

Heavy episodic drinking was not clearly linked with primary malignant brain tumor in humans.
“Daily alcohol consumption and heavy episodic drinking were not associated with tumor risk.”
Humansbrain12 yearsn = 240,948
Association of Daily Alcohol Consumption and Drinking Patterns with Risk of Primary Malignant Brain Tumor in Korean Adults: A Retrospective Cohort Study
Journal of cancer preventionJun 18, 2026

Drinking frequency

upin humans1HR 2.61

1 study

Drinking frequency is linked with a higher risk of primary malignant brain tumor in humans (participants who drank almost daily vs. non-drinkers) (HR 2.61, 95% CI 1.21-5.61).
“participants who drank almost daily had a higher risk (vs. non-drinkers) (HR, 2.61; 95% CI, 1.21-5.61; P-trend = 0.0347).”
Humansparticipants who drank almost daily vs. non-drinkersbrain12 yearsn = 240,948
Association of Daily Alcohol Consumption and Drinking Patterns with Risk of Primary Malignant Brain Tumor in Korean Adults: A Retrospective Cohort Study
Journal of cancer preventionJun 18, 2026