IE 11 is not supported. For an optimal experience visit our site on another browser.

‘Superagers’ have minds of people 20 years younger

03:15

In the first study of its kind, researchers at Northwestern University are looking at lifelong best friends Grayce Papp and Evelyn Finegan, both 83 year-olds with memories as sharp as typical 50- to 60-year-olds. Neuroscientists are hoping these “superagers” will give them a better understanding of dementia and Alzheimer’s. NBC’s Dr. Nancy Snyderman reports.