Ohio State Wexner Medical

In 1969, Ohio State Hospital rolled out the nation's first mobile coronary care vehicle. The Heartmobile's legacy can now be found in ambulances nationwide.

A new national survey by the Ohio State University Wexner Medical Center finds one in four adults suspect they have an undiagnosed case of ADHD, but only a fraction of them – 13% – have talked to their doctor about it, raising concerns that self-diagnosis may be leading to incorrect treatment.