A Northwestern University study found that tea leaves can naturally pull lead and other dangerous metals out of water as tea ...

Harmful metals like lead and cadmium naturally stick to tea leaves during brewing, effectively removing them from water. The longer tea is steeped, the more metals are removed, with up to 15 ...

Teas of all varieties line store shelves, ranging from black, fruit and herbal, to red, green ... the most harmful is black ...

Heavy metal ions stick to, or adsorb to, the surface of the tea leaves, where they stay trapped until the used tea bag is disposed of. The study was published in the journal ACS Food Science ...