Soundbites of study author (VIDEO) Northwestern University This video is under embargo. Please login to access this video. Caption Corresponding author Eileen Graham, associate professor of medical social sciences at Northwestern University Feinberg School of Medicine, summarizes the findings of her new study. Credit Kristin Samuelson, Northwestern University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.