Heart diseases

Grapes increase the nitric oxide levels in the blood, which prevents blood clots. Therefore, grapes are an effective way to reduce the chances ofheart attacks. Additionally, the antioxidants present in grapes prevent the oxidation of LDL cholesterol, which blocks the blood vessels and is a main contributor to various coronary conditions. Grapes also have high numbers of flavonoids, which are what give grapes their color, but flavonoids are also very powerful antioxidants.