A study by Finnish and Swedish researchers shows middle-aged people who drink moderate amounts of coffee significantly reduce their risk of developing Alzheimer's disease. Middle-aged people who drank between three to five cups of coffee a day lowered their risk of developing dementia and Alzheimer's disease by between 60% and 65% later in life. The study, which was also conducted in cooperation with the National Public Health Institute in Helsinki and which was published in the Journal of Alzheimer's Disease this month was based on repeated interviews with 1,409 people in Finland over more than two decades.
It remained unclear exactly how moderate coffee drinking helped delay or avoid the onset of dementia, but pointed out that coffee contains strong antioxidants which are know to counter Alzheimer's. Some studies have also shown that coffee helps protects the nerve system, which can also protect against dementia. Other studies also show that coffee protects against diabetes, which in turn is known to be linked to Alzheimer's.
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