Benefits of Coffee
Research on the health benefits of coffee mainly investigates the bean in its brewed beverage form. Studies suggest higher levels of coffee intake which is about six or seven cups a day, are associated with lower risk for type 2 diabetes. Others show the consumption of coffee may be linked to reduced risk of stroke, several types of cancers including liver, skin, colorectal, breast, oral, pharyngeal and esophageal cancers, and possibly cardiovascular disease. Drinking at least three cups of coffee a day was associated with slower decline in cognitive abilities in women, probably due to coffee’s caffeine content. Coffee consumption also is linked to lower risk for Alzheimer’s disease and Parkinson’s disease, possibly by protecting the brain’s dopaminergic cells against neurotoxicity. Study subjects who drink the most java receive the greatest health benefits, but most adults including pregnant women should limit caffeine to less than 300 mg a day, or about the amount found in three cups of coffee.
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Source: http://www.foodandnutrition.org/Spring-2009/Savor-Coffee/