The more coffee an older woman drinks the lower her risk of depression is, researchers from the Harvard School of Public Health reported in Archives of Internal Medicine. The researchers stressed that theirs was an observational study, and can only suggest the possibility of coffee's protective effect, rather that prove that it reduces depression risk. The authors explained that about 80% of caffeine consumption worldwide is in the form of coffee - it is the most commonly used CNS (central nervous system) stimulant...
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