- Prevent Type 2 Diabetes
Drinking decaf coffee can greatly reduce the risk of developing type 2 diabetes. Coffee contains magnesium, chromium and other minerals that help the body use insulin. Thus, coffee helps regulate blood sugar levels. A review of 18 studies, involving 450,000 people, published in Archives of Internal Medicine, found that each additional cup of coffee consumed per day lowered the risk of diabetes by 7%. A similar study of 193,000 people saw a reduced risk of 35% for people drinking 6 or 7 cups of coffee per day.
- Alzheimer's Disease
Coffee is often associated with a reduced risk of dementia and Alzheimer's disease. A study conducted in Finland and Sweden of 1,400 people over the course of 20 years found a 65% reduced risk of Alzheimer's disease for those that drank 3 to 5 cups of coffee per day. There may be some difference between drinking regular or decaf coffee when it comes to preventing Alzheimer's. A lab study of mice found that an unknown substance in coffee interacted closely with the caffeine to boost GCSF, a growth factor known to ward off Alzheimer's disease. For now, it appears that all coffee can have positive effects on Alzheimer's and dementia, but decaf coffee may not be as strong as regular.
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