Coffee has been a popular beverage since the 15th century, but recent studies suggest that it can improve longevity and brain function while combating common adult health issues. A double-blind study from Johns Hopkins University found that giving participants a 200-milligram caffeine tablet was correlated with better memory performance on memory tests. A massive study of nearly 500,000 British adults found that those who drank at least two to three cups of coffee per day were about 10% to 15% less likely to die of any cause during the 10-year study period than those who didn’t. A study of 12,583 people in the Journal of the American Medical Directors Association found that those who drank four or more cups of coffee per day were doubly likely to avoid physically frailty into their 70s.
A Canadian study published in 2017 found that phenylindanes, a chemical created during the coffee roasting process, seems to stop the buildup of two toxic proteins in the brain, which have been linked to Alzheimer’s and Parkinson’s diseases. A study in GeroScience found that mice who given trigonelline (TG), a plant alkaloid found in coffee, performed better in experiments testing their “acquiring, retaining, structuring, and applying information” abilities. Another study published in the Annals of Internal Medicine found that moderate to heavy coffee drinkers among them were 30% less likely to die of any cause during the study period. A study funded by the American Heart Association and the University of Colorado School of Medicine found that the risk of heart failure or stroke went down 8 percent for each additional cup of coffee per day.
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