Dr. Richard Besser appeared during the report to offer tips about what people do to remain in the best of health to reach that milestone, and shared information about the key medical tests that 50-year-olds should take.
Besser, ABC News' chief health and medical editor, also discussed the importance of knowing your family's health history.
Click HERE to learn all about the tests women should take when they hit 50.
Click HERE to learn all about the tests men should undergo when they turn 50.
Thanksgiving is National Family History Day. It's an ideal time to gather your family's medical history. Click HERE to learn more about National Family History Day and how you can create your family health portrait.