Heart Dark Chocolate

February 22nd, 2011

By John Robbins: There is a growing body of credible scientific evidence that chocolate contains a host of heart-healthy and mood-enhancing phytochemicals, with benefits to both body and mind.

For one, chocolate is a plentiful source of antioxidants. These are substances that reduce the ongoing cellular and arterial damage caused by oxidative reactions.

You may have heard of a type of antioxidants called polyphenols. These are protective chemicals found in plant foods such as red wine and green tea. Chocolate, it turns out, is particularly rich in polyphenols. According to researchers at the University of Texas Southwestern Medical Center in Dallas, the same antioxidant properties found in red wine that protect against heart disease are also found in comparable quantities in chocolate.

How does chocolate help to prevent heart disease? The oxidation of LDL cholesterol is considered a major factor in the promotion of coronary disease. When this waxy substance oxidizes, it tends to stick to artery walls, increasing the risk of a heart attack or stroke. But chocolate to the rescue! The polyphenols in chocolate inhibit oxidation of LDL cholesterol.

And there’s more. One of the causes of atherosclerosis is blood platelets clumping together, a process called aggregation. The polyphenols in chocolate inhibit this clumping, reducing the risks of atherosclerosis.

High blood pressure is a well known risk factor for heart disease. It is also one of the most common causes of kidney failure, and a significant contributor to many kinds of dementia and cognitive impairment. Studies have shown that consuming a small bar of dark chocolate daily can reduce blood pressure in people with mild hypertension…

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