Regular consumption of tea is linked to lower risk of heart disease and blood vessels, according to some scientific studies.
A study of some 486 thousand found that tea consumption was linked to an 11 percent lower risk of fatal heart disease. The greatest benefits were seen in those who consumed six to eight cups a day.
Black tea contains flavonoids, which can help improve the function of blood vessels and reduce the load on the heart.
Meanwhile, green tea is rich in antioxidants, but replacing black tea with it does not guarantee markedly greater benefits.
Rooibo tea can also be an alternative, since it contains no caffeine, and some studies have linked it to lowering cholesterol.
On the other hand, yamball tea can increase blood pressure and cause heart rate disorders.
However, researchers point out that these results do not testify that tea directly prevents heart disease. Balanced nutrition and regular physical activity are also important to heart health.
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