During the past years, green tea leaves were undergoing different experiments and medical researches to understand the benefits of green tea and how far it can help curing some diseases. They could prove a number of health benefits for green tea, including preventing heart diseases and helping in weight loss, despite it showed no direct effect on increasing the metabolic rate to cause quick weight loss. But on the long run, it works in several directions which, at last, help maintaining a good health and reducing the risk of diseases.
Researches were done on green tea extract stated that it has a slight effect on the metabolic rate, increasing it by nearly 4%, as it contains polyphenols, thermogenesis and a small amount of caffeine, which has no bad effect on the heart.
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