It’s often surprising for parents to learn that their child has a kidney stone, a painful condition that is more common in adults but has dramatically increased in prevalence among pediatric patients over the last 25 years. Seeing this trend firsthand as a pediatric urologist and epidemiologist at The Children’s Hospital of Philadelphia, Gregory E. Tasian, MD, MSc, MSCE, realized that more research about pediatric kidney stone disease was desperately needed.