December 21, 2010 6:22 pm Lead a Poison at All Levels, Docs Say Research is debunking myth that lead levels need to reach a certain threshold to be harmful to children. Local 2:17 Misconceptions persist around plant-based eating 2:27 Mental Health Monday: Experts offer tips to manage financial stress 2:14 Non-profits, health systems team up to address gaps in care, social services on Chicago's West Side 2:11 Mental Health Monday: Kids using social media to self-diagnose mental health conditions, survey says 2:01 Chicago measles outbreak spreads as case count surpasses 50