Drinking too much green tea is not recommended

Despite the recommendations for different people to use green tea as a drink with medicinal properties, none of the nutritionists recommend extravagance in drinking this drink.

A nutritionist from Shiraz University of Medical Sciences confirms that green tea has strong antioxidant properties and can reduce the risk of cancer in people, emphasizing that this drink interferes with many drugs and its use should be balanced and balanced. .

Green tea contains powerful antioxidants called catechins, which protect against cancer, said Atefeh Kohansal.

People who drink green tea have a lower incidence of cancer than those who do not, he said. Green tea can protect against prostate and breast cancer, both of which are the most common cancers in men and women, respectively. ; It also reduces the risk of type 2 diabetes and heart disease and helps with weight loss.

Caffeine and catechins in green tea increase metabolism and cause fat burning, said the nutritionist. In general, consuming green tea can help you consume 75 to 100 calories per day.

Drinking green tea boosts the immune system, improves brain function, improves dental health and reduces the risk of arthritis, Alzheimer’s and Parkinson’s, the nutritionist added.

He continued: There is conflicting evidence about the consumption of green tea; Some studies suggest health benefits in people who drink one cup a day, while other studies suggest five or more cups a day as desirable, however, the right amount to drink may depend on the disease. Be.

Pointing to the benefits of caffeine and catechins, Kohansal emphasizes that excessive consumption of these substances has side effects for some consumers; Consequences such as anxiety, sleep disturbance, stomach upset and headache.

Consuming a lot of caffeine during pregnancy may even increase the risk of birth defects and miscarriage, he said.

The catechins in green tea may reduce the ability to absorb iron from foods; In fact, consuming large amounts of catechins may lead to iron deficiency anemia.

While emphasizing that regular and daily consumption of green tea is not a problem for many people, he advised people at risk of iron deficiency to consume this drink with an hour interval between meals.

The nutritionist of Shiraz University of Medical Sciences said: the catechins in green tea can affect certain drugs and reduce their effectiveness; Studies show that green tea may inhibit the effectiveness of some heart and blood pressure medications and reduce the effectiveness of some depression and anxiety medications.

Green tea is derived from the leaves of Camellia sinensis; it can be consumed as a hot or cold drink or as a powder.