Love your daily cuppa of green tea, don’t you? Then you would be privy to the many studies being conducted on the benefits and side effects of drinking green tea. While these studies are not conclusive, they do tell us to be cautious of the amount of green tea we consume.
First off, What is green tea?
Green tea is obtained from a plant called Camellia sinensis. It’s the same plant that’s used for producing black tea! For years people all over the world have consumed green tea for losing weight, boosting metabolism, preventing cancers and for treating stomach conditions. Green tea contains 2% to 4% caffeine. And caffeine has the ability to stimulate the nervous system, heart, and muscles by increasing the release of certain chemicals in the brain called neurotransmitters. A cup of green tea also contains antioxidants and substances that might help protect the heart and blood vessels.
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But, how much is too much?
While it is largely safe to take green tea daily, it is very important to remember that green tea should be consumed in moderation. Drinking too much green tea (more than 5 cups a day) is possibly unsafe and may have serious consequences. Consuming more than 2 cups of green tea daily during pregnancy has been linked to an increased risk of miscarriage and other negative effects. Too much green tea may make anemia and anxiety worse and may increase risk of bleeding in people with bleeding disorders.
Does the new study on Green tea and Fertility matter?
In a recent study conducted by a team of researchers at University of California, it was found that excessive consumption of green tea adversely affected development and reproduction in fruit fly populations. Fruit flies are commonly used in scientific research because many of their genes overlap with ours. It’s unclear whether overconsumption could have the same impact on humans.
The researchers exposed larvae to 10 milligrams of green tea, an amount which made them slower to develop and smaller overall. Female offspring showed decreased reproductive output and a 17% reduction in lifespan.
The study suggests that high doses of Green tea or any natural extract containing nutraceuticals should be avoided. It highlights that while green tea could have health benefits at low doses, at high doses, it may have adverse effects. The researchers claim that more such studies are required to make any definite recommendations for human population but as they say, the rule really is “everything is good, only in moderation.”