Green tea contains L-theanine, an amino acid that has a calming effect and can increase concentration at the same time. In ...

You can’t beat a good cup of tea – but when does a love of tea become too extreme? We asked a dietitian to spell out how many cups of tea a day are healthy, and what health benefits it can offer.

Researchers at Northwestern University estimate tea preparation can reduce about 15 per cent of toxic metals from drinking ...

Black tea leaves, the researchers added ... This finding applies only to a “typical” cup of tea, or one mug of water and one bag of tea, which is brewed for three to five minutes.