According to a team of researchers from Northwestern University, tea leaves and bags adsorb lead, trapping lead ions on their surfaces and filtering them from drinking water during the process of tea brewing.

That daily brew might be purifying the water, too. In a new study, Northwestern University researchers demonstrated that brewing tea naturally adsorbs heavy metals like lead and cadmium, effectively filtering dangerous contaminants out of drinks.

Just put the leaves in your water and steep them, they naturally remove metals,' research author says - Anadolu Ajansı

That comforting hot cup of tea—or refreshing glass of iced tea on a hot summer day—could help reduce the amount of toxic metals in drinking water, according to a new paper published in the journal ACS Food & Science Technology.

The world's most popular beverage may do more than just warm you up or wake you up - it could help protect you from lead contamination. New research reveals that the simple act of steeping tea removes a meaningful portion of lead from drinking water,

In the tea vs. coffee debate, some coffee fans hail the way coffee grounds trap heavy metals in water. Now, tea fans can clap back. Tea leaves, whether loose or in a bag, absorb heavy metals like lead and arsenic,