The Benefits and Harm of Black Tea

Health Benefits and Benefits of Black Tea - Bagel

Black tea is made from the leaves of a shrub called Camellia sinensis. A process called oxidation (leaves are exposed to moist, oxygen-rich air) changes the color of the leaves from dark green to dark brown or black.

Black tea is a fully oxidized tea, green tea is made from the same plant, but not oxidized.

The benefits of black tea

Many people drink black tea in order to "charge", to get a burst of energy. And not in vain. The fact is that black tea contains a fairly large amount of caffeine and a little stimulant theophylline. Both of these substances speed up your heart rate, thereby improving your ability to focus on something.

Black tea also contains beneficial substances called polyphenols. Polyphenols are antioxidants that protect your DNA from free radical damage.

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Some scientists believe that antioxidants found in black tea, including polyphenols and catechins, may help prevent some types of cancer. For example, studies have been conducted that show that women who regularly drink black tea have a much lower risk of developing ovarian cancer than women who do not.

However, according to the same studies, black tea does not reduce the risk of developing breast, stomach, or colorectal cancer.

But there is more and more evidence that the antioxidants contained in tea can help with atherosclerosis, especially in women. Black tea also reduces the risk of heart attack, diabetes, kidney stone formation, Parkinson’s disease and lowers cholesterol.

One to four cups of black tea per day may slightly increase blood pressure, but the effect does not last long. Therefore, if you suffer from low blood pressure, a cup of tea will help solve this problem. In addition, black tea boosts metabolism, which can help those who want to lose weight.

The optimal dose of black tea, however, was not established due to the fact that the additional ingredients and the quality of different varieties can vary greatly from each other.

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