The process of brewing tea was shown to remove toxic heavy metals from drinking water in a new study from Northwestern University in Illinois. The researchers explain the findings to Fox News Digital.

Dr. Dravid and his team tested how different types of tea — black, white, oolong, green, rooibos, herbal, loose leaf and plain old Lipton — behaved in water with varying amounts of lead.

Next, they added different types of tea leaves – both loose and commercially bagged – to those samples, then allowed them to steep for anywhere from a few seconds up to 24 hours. Once the ...

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The study found that ground tea leaves perform best, compared with whole leaves, because grinding the leaves creates additional surface area for attracting the contaminants. The type of tea bag ...

The type and grind of tea also mattered to a minor degree. Finely ground leaves, especially those of black tea, adsorbed more contaminants than whole leaves. “When tea leaves are processed into ...

Researchers tested different types of tea, tea bags and brewing methods. Finely ground black tea leaves performed best at removing toxic heavy metals. Longer steeping times helped tea remove ...