Too Much Green Tea Could Be Bad For Your Fertility

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Green tea

Too Much Green Tea Could Be Bad For Your Fertility

Are you a green tea lover?

Green tea, enjoyed by millions for its numerous health benefits, may have adverse effects if taken in high doses, a new study in fruit flies suggests. Researchers discovered that excessive consumption of green tea adversely affected development and reproduction in fruit flies. However, it is unclear whether it could have the same impact on humans. Nutraceuticals such as green tea are largely unregulated, they said.

Researchers investigated the effects of green tea toxicity on Drosophila melanogaster.  They found that larvae exposed to 10 milligrammes of green tea were slower to develop, were born smaller and exhibited a dramatic decline in the number of emerged offspring.

Ten milligrams of green tea made the flies more susceptible to starvation and heat stress but protected them against dehydration.

Female offspring showed decreased reproductive output and a 17 per cent reduction in lifespan while males were unaffected, the study found.Ten milligrams of green tea caused morphological abnormalities in reproductive organs such as testicular and ovarian atrophy.

Ms Jafari believes that high doses of green tea may cause “too much” apoptosis or cell death.Derived from the plant Camellia sinensis, green tea is popular worldwide for its purported brain and heart health and anti-cancer properties.

Ms Jafari noted that in other tests with mice and dogs, green tea compounds in large amounts dramatically reduced body weight and, in mice, negatively affected embryo development.

We are planning to measure total consumption and identify and quantify the metabolites of natural products in flies,” Ms Jafari pointed out, adding that these experiments will enable us to have a better understanding of toxic doses in humans.

The paper appeared in the Journal of Functional Foods.

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