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Cocoa, Blood Pressure, and Vascular Function
Valeria Ludovici1,2, Jens Barthelmes1, Matthias P Nägele1
1Cardiology, University Heart Center, University Hospital and University of Zurich, Zurich, Switzerland.
Insights
Cocoa consumption may reduce cardiovascular disease (CVD) risk by improving blood pressure and vascular function. These benefits are linked to cocoa
Area of Science:
- Nutritional Science
- Cardiovascular Health
- Food Science
Background:
- Cardiovascular disease (CVD) is a leading global cause of mortality.
- Polyphenol-rich foods, especially cocoa, are associated with reduced CVD risk.
- Cocoa consumption shows potential benefits for heart health.
Purpose of the Study:
- To review the effects of cocoa and chocolate on blood pressure (BP).
- To summarize findings on cocoa's impact on vascular function.
- To explore mechanisms behind cocoa's cardiovascular benefits.
Main Methods:
- Review of intervention studies on cocoa and chocolate consumption.
- Analysis of effects on blood pressure and vascular parameters.
- Exploration of proposed biological mechanisms.
Main Results:
- Cocoa consumption is linked to reduced blood pressure.
- Improved vascular function is observed with cocoa intake.
- Benefits observed in healthy individuals and those with CVD risk factors.
Conclusions:
- Cocoa consumption offers potential cardiovascular benefits.
- Mechanisms include nitric oxide (NO) enhancement, antioxidant, and anti-inflammatory effects.
- Further research supports cocoa's role in cardiovascular health management.
Abstract:
Cardiovascular disease (CVD) represents the most common cause of death worldwide. The consumption of natural polyphenol-rich foods, and cocoa in particular, has been related to a reduced risk of CVD, including coronary heart disease and stroke. Intervention studies strongly suggest that cocoa exerts a beneficial impact on cardiovascular health, through the reduction of blood pressure (BP), improvement of vascular function, modulation of lipid and glucose metabolism, and reduction of platelet aggregation. These potentially beneficial effects have been shown in healthy subjects as well as in patients with risk factors (arterial hypertension, diabetes, and smoking) or established CVD (coronary heart disease or heart failure). Several potential mechanisms are supposed to be responsible for the positive effect of cocoa; among them activation of nitric oxide (NO) synthase, increased bioavailability of NO as well as antioxidant, and anti-inflammatory properties. It is the aim of this review to summarize the findings of cocoa and chocolate on BP and vascular function.
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