Vinayak Dravid (right), professor of materials science at Northwestern University, oversaw a team of scientists that discovered tea leaves can absorb and filter out harmful metals, including lead.

Numerous studies have shown tea’s many health benefits. Here’s another: Brewed tea can filter and remove harmful heavy metals, including lead, Northwestern University researchers in Evanston ...

Tea brewing can generally filter out about 15% of lead from drinking water, the authors found. This estimate was proven based on one mug of water and one tea bag brewed for three to five minutes.

Brewing tea can generally filter out about 15% of lead from drinking water, the authors found. This estimate is based on one mug of water and one tea bag brewed for three to five minutes.

NEW YORK, March 25: A recent study has revealed exciting news for tea lovers: brewing tea can remove about 15% of lead from water. The research, summarized by CNN, explored how tea brewing may ...