New Delhi: Green tea is commonly considered beneficial for health, especially due to weight loss and antioxidant properties. However, for some people it can prove to be beneficial but harmful. Many health experts confirm that consumption of green tea in certain circumstances can increase health problems.
People who have problems like acidity, ulcers etc. in the stomach should avoid drinking green tea. The tannin present in green tea can increase the amount of acid in the stomach, causing problems such as acidity and ulcers. According to a research, drinking green tea on an empty stomach can increase stomach problems and can cause gastric discomfort.
Green tea can reduce the absorption of iron. The tannin present in it works to prevent the absorption of iron in the body, especially when it is drunk with or immediately after food. This condition may worsen for people with iron deficiency. A study has shown that people who are deficient in iron should limit green tea intake or stop completely.
Pregnant women should take care in the consumption of green tea, as it contains small amounts of caffeine. High amounts of caffeine can cause risk in pregnancy. At the same time, drinking more amount of green tea in breastfeeding women can have a negative effect on the child. According to the World Health Organization (WHO) report, pregnant women should not take more than 200 mg of caffeine a day, which is equal to about two cups of green tea.
Although green tea can be beneficial for the heart, people who have serious heart problems should not consume it without a doctor’s advice. Caffeine present in green tea can accelerate heart beats, which can be harmful to heart patients.
The caffeine present in green tea can obstruct sleep, especially if it is drunk in the evening or night. Those who are already troubled by insomnia should avoid drinking green tea. This can worsen the quality of sleep, and may also affect mental health. Caffeine affects the sleeping cycle and can further increase insomnia.
Excessive intake of green tea can affect the liver. Some researches have shown that polyphenols present in green tea extracts can affect the functioning of the liver. People who already have liver disease, should avoid consuming green tea or consult their doctor. Also read …
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