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 ...

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

Black and green bagged tea were tested, as were whole tea leaves, including green, oolong, white and black ... The type of tea bag mattered too. Cellulose tea bags, a biodegradable and organic ...