Remaining healthy and sharp are goals for most people as they age . But one group of people — known as “SuperAgers” — is said to have this all down as they go through life, even into their later years. The term SuperAgers was created by researchers at Northwestern University, who define it as “adults over age 80 who have the memory capacity of individuals who are at least three decades younger.” Northwestern University is one of just a handful of institutions in the country that have SuperAging