This week on the Sound Medicine radio show, could schools' fear of litigation be keeping your kids from getting more out of gym class? National guidelines recommend 60 minutes of exercise a day for children and teens, but our guest Dr. Greg Myer says more thinking needs to go into quality of exercise, rather than the quantity. We learn about new ways doctors and nurses are helping patients with multiple illnesses manage their care with fewer hospitalizations. Plus, genetic counselor Dr. Maria Baker on whether it's ever okay for doctors to Google their patients. And we get an advance look at the upcoming PBS documentary Rx: The Quiet Revolution, which airs April 2.