Nearly 715,000 Americans have a heart attack every year, killing fifteen percent of sufferers. Of those deaths, nearly half occur before the patient even reaches the hospital. Interventional cardiologist Dr. Robert Frankel explains how to increase your chance of survival.

Macular degeneration is the leading cause of blindness in Americans over the age of 65, which ophthalmologist and retina specialist Dr. Norman Saffra treats as part of a regular day. Dr. Saffra gives us a unique look into the moments and cases which define his work.