In this episode of the Better Edge podcast, Sadiya S. Khan, MD, MSc, the Magerstadt Professor of Cardiovascular Epidemiology and associate professor of Cardiology and Preventive Medicine at Northwestern Medicine, discusses her research on the associations between neighborhood-level racial residential segregation, socioeconomic factors and life expectancy in the US. Dr. Khan explains how social determinants of health contribute to disparities in life expectancy and recommends how physicians can improve health equity in their own practice. JAMA Health Forum.2023;4(7):e231805.