A new study found that tea leaves naturally absorb heavy metals, filtering dangerous contaminants from drinking water.

The taste of oolong tea can vary depending on how it was processed and whether it's loose-leaf or in a prepared tea bag. Oolong tea is considered safe for most people, but there are some things to ...

Brewing black, green, white or oolong tea can trap the metals as ... flavor and other contents from the tea leaves, if tea leaves and bags encasing the leaves would in turn capture dissolved ...

tea bags and brewing methods affected heavy metal removal. The varieties tested included black, green, oolong and white, as well as chamomile and rooibos teas. The scientists also tested the ...