A new study found participants who drank two or three cups of caffeinated coffee a day were at lower risk for dementia! I drink between 8 and 12 cups of black coffee, so I'm hopeful that I'm protected! Today's blog is about the scientific study. Drink up!
New Study Reveals Benefit Of Coffee, Tea Consumption
Beth Dalbey, Patch Staff Feb 10, 2026
Most U.S. adults start their day with a caffeine jolt, but a morning cup of coffee may offer more than just a kick-start to the day. It may keep their minds sharp over time, according to a new longitudinal study.
In a study published last month in the Journal of the American Medical Association, Harvard researchers found that moderate daily consumption of caffeinated coffee and tea may reduce the risk of dementia, slow cognitive decline, and preserve brain function.
The researchers found caffeinated coffee intake was significantly associated with a lower risk of dementia. The results were similar with caffeinated tea; however, researchers found no link between decaffeinated products and brain health.
(Photo: Tyler posing with a cup of coffee in 2019. Tyler always let me pose him for pictures (he passed 7/29/25). Credit: R.G)
Alzheimer’s disease, the most common cause of dementia, currently affects more than 6 million people in the United States, a number that is expected to nearly double to 13 million people by 2050.
Researchers noted their findings held true among people who were at a high risk for developing dementia, including those who are genetically predisposed to Alzheimer’s disease
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