Drinking coffee during midlife can slash your risk of developing dementia and Alzheimer’s disease. A Finnish study found that those who drank coffee at midlife had a lower risk of developing dementia or Alzheimer’s disease in late-life than those who drank no coffee at all. Those who drank three to five cups of coffee a day lowered their risk by 65 percent.
“We aimed to study the association between coffee and tea consumption at midlife and dementia/AD risk in late-life, because the long-term impact of caffeine on the central nervous system was still unknown, and as the pathologic processes leading to Alzheimer’s disease may start decades before the clinical manifestation of the disease,” says lead researcher, associate professor Miia Kivipelto from the University of Kuopio, Finland and Karloinska Institute, Stockholm, Sweden.
Coffee-drinking was categorized into three groups: low (0 to 2 cups daily), moderate (3 to 5 cups) and high (more than 5 cups). Tea-drinking was categorized into two groups: those not drinking tea and those who drank at least one cup daily. While all coffee drinkers had a lower risk of dementia and Alzheimer’s disease than non-drinkers, those who drank moderate amounts of coffee lowered their risk by a surprising 65 percent. Drinking tea had no impact on the risk of developing dementia.
“Given the large amount of coffee consumption globally, the results might have important implications for the prevention of or delaying the onset of dementia/AD. The finding needs to be confirmed by other studies, but it opens the possibility that dietary interventions could modify the risk of dementia/AD,” wrote Kivipelto. “Also, identification of mechanisms of how coffee exerts its protection against dementia/AD might help in the development of new therapies for these diseases.”
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