The percentage of U.S. adults who smoke has fallen dramatically during the past 50 years, from 42 percent in 1965 to just 15 percent in 2015.1 Despite this decline, roughly one in five U.S. deaths is due to tobacco-related disease, making it the nation’s top cause of preventable disease and death.

U.S. children of incarcerated parents are an extremely vulnerable group, and much more likely to have behavioral problems and physical and mental health conditions than their peers, reports Kristin Turney, a University of California-Irvine sociologist. “We know that poor people and racial minorities are incarcerated at higher rates than the rest of the population,” she…