Research shows the longer the steep time, the more heavy metals are drawn out
                                
                                
                                    (Newser) -
                                    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, meaning that when you brew a cup, you're essentially...