Coffee is one of the most widely consumed beverages around the world. It has been circulating across the globe since the 15th century and is consumed for its cognitive stimulating effects, its role in aiding digestion and its mediating power as a symbol of social gathering. Science has studied coffee from every angle and it has shown significant health benefits beyond simply acting as a mental stimulant.
Alzheimer’s and Dementia
Several studies over the years have assessed factors that help the elderly stay mentally fit. One of darker sides of aging is the potential for developing Alzheimer’s, the mental deterioration of memory, and dementia, the loss of cognitive reasoning. These two conditions are almost always age dependent and usually do not set in until someone is in his 60s or 70s.
Two separate longitudinal studies, one by the American Journal of Epidemiology and the other by the Journal of Alzheimer’s Disease, found that three to five cups of coffee a day decreased the risk of Alzheimer’s and dementia significantly. The mechanisms for this are unclear, but because coffee acts as a central nervous system stimulant, it may promote continued activation and renewal on parts of the brain associated with memory and cognition.
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