refers to the intramural scientific study of aging conducted by the National Institute on Aging. It is estimated that over 1,200 individuals are tested at regular intervals through their life spans. The study, which has been ongoing since 1958, examines changes due to age and changes due to disease within individuals and within groups.
BALTIMORE LONGITUDINAL STUDY OF AGING (BLSA): “The Baltimore Longitudinal Study of Again (BLSA) aims to track health and cognitive processes in individuals throughout the lifespan.”