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Daily Caffeine Intake Linked to Lower Dementia Risk, Study Finds

KVIA•Tuesday, February 10, 2026 at 3:40 AM•CNN Newsource

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Recent research indicates that consuming caffeinated coffee or tea daily may enhance long-term cognitive health and reduce the risk of dementia. The study, published in the JAMA, found that middle-aged coffee drinkers had an 18% lower likelihood of developing dementia, while tea drinkers had a 14% lower risk. This research analyzed data from over 130,000 participants and suggests that caffeine consumption could be associated with healthier aging. However, experts caution that the evidence does not imply that increasing caffeine intake is necessary for brain health, and individuals with certain health conditions should be cautious. Overall, maintaining a balanced lifestyle with good nutrition and regular physical activity is crucial for brain health.

Key Details: • Coffee drinkers had an 18% lower risk of dementia; tea drinkers had a 14% lower risk. • Study analyzed data from over 130,000 participants in long-term health studies. • Experts advise against increasing caffeine intake solely for brain health benefits. • Individuals with anxiety, insomnia, or heart conditions should be cautious with caffeine.

health research nutrition dementia caffeine

People & Organizations

Harvard T.H. Chan School of Public HealthUniversity of TorontoDr. Daniel WangDr. David KaoDra. Sara MahdaviUniversity of Colorado

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