According to the Environmental Protection Agency, parents are responsible for 90 percent of children’s exposure to environmental (second-hand) tobacco smoke. Children with mothers who smoke are at even higher-risk for developing health disorders. In a presentation at the American Urological Association Annual Meeting, physicians at the University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School and Robert Wood Johnson University Hospital showed that second-hand cigarette smoke was associated with moderate to severe irritative bladder symptoms in children.