There is substantial scientific evidence supporting a significant association between obesity and ADHD. But new data analysis found that the link varies in different environments. The study, by New York University’s Tandon School of Engineering, was published last week in Science Daily, and it found that the link between obesity and ADHD was lower in bigger cities as opposed to smaller ones.

Dr. Mena Mirhom, a medical doctor and assistant professor of psychiatry at Columbia University, joined NTD to discuss.