April 7, 2011 11:16 pm Researchers Aim to Decrease Number of Medical Mysteries There are thousands of rare diseases that many doctors never see in a lifetime of practice. And that makes diagnosis, understanding and treatment that much more complicated. 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