A study by Northwestern University reveals that tea can filter out heavy metals like lead, cadmium, and chromium from water. Brewing black tea for five minutes can reduce lead ions by about 15%. The research published in ACS Food Science & Technology highlights tea’s potential health benefits beyond stress reduction by purifying water of harmful metals. A study by Northwestern University reveals that tea can filter out heavy metals like lead, cadmium, and chromium from water. Brewing black tea for five minutes can reduce lead ions by about 15%. The research published in ACS Food Science & Technology highlights tea’s potential health benefits beyond stress reduction by purifying water of harmful metals. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle