A number of observational and population studies suggest that drinking a moderate amount of coffee may reduce the risk of cardiovascular disease, including certain arrythmias (such as atrial fibrillation), stroke, and death from heart attack and other causes.
However, the news is not all good: Certain types of coffee may increase levels of cholesterol and are associated with an increased risk of dementia. There is also concern about pesticides in coffee, whether coffee can worsen symptoms of burning mouth syndrome, and intake of large amounts of coffee during pregnancy.
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