Breadcrumb Home UI researchers explore acidities of drinks, tooth erosion Wednesday, June 5, 2013 Iowa City Press-Citizen http://www.theatlantic.com/health/archive/2013/06/diet-coke-not-as-bad-as-meth/… University of Iowa researchers in the College of Dentistry and Dental Clinics looked at the acidities of the things people drink, and how acidity correlated with tooth erosion.