Why do we make poor decisions that we know are bad for our health? In this frank, funny talk, behavioral economist and health policy expert David Asch explains why our behavior is often irrational -- in highly predictable ways -- and shows how we can harness this irrationality to make better decisions and improve our health care system overall.
Raj Panjabi has a bold idea: to recruit and train an army of community health workers to bring medical care to the billion people around the world who lack access to it. See how technology is transforming things for health workers like Serena and Prince -- and how TED's just-launched initiative, the Audacious Project, is amplifying their impact. Learn more at AudaciousProject.org.