To the Editor: Chocolate may have beneficial
cardiovascular effects, possibly due to cocoa polyphenols.1 Experiments
in animals suggest that plant polyphenols decrease blood pressure (BP)2; however, evidence from human clinical trials is
lacking. We examined whether dark chocolate (polyphenol-rich chocolate [PRC])
may lower BP in individuals with mild isolated hypertension.
Taubert D, Berkels R, Roesen R, Klaus W. Chocolate and Blood Pressure in Elderly Individuals With Isolated Systolic Hypertension. JAMA. 2003;290(8):1029–1030. doi:10.1001/jama.290.8.1029
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