MedicalResearch.com Interview with: Sarah Keim, PhD Associate Professor, Epidemiology College of Public Health The Ohio State University MedicalResearch.com: What is the background for this study? Response: Marijuana is the illicit substance most commonly used during pregnancy, and use is increasing. Some evidence suggests that marijuana is associated with deficits in executive function and increased delinquent behavior in school-age children and adolescents, with potential downstream impacts on achievement and social functioning. However, this evidence comes largely from only 2 studies several decades old. Today cannabis is more than 10 times more potent than it was several decades ago. (more…)