Medicaid covers nearly half of America’s children, but its impact goes far beyond doctor’s visits and hospital stays. James Perrin, MD, Professor Emeritus of Pediatrics, MassGeneral Hospital and Harvard Medical School, and Founder of the MGH Center for Child and Adolescent Health Policy, explains why Medicaid is one of the nation’s most important investments in children, what’s at stake in current policy debates and how a health care system designed to support health — not just treat illness ...