Amid concerns about the mental fitness of the U.S. presidential candidates—Joe Biden is 81 and Donald Trump is 77—some have called for mandatory cognitive tests for aging politicians. A recent poll showed 75% of voters favor such measures with support highest among the oldest cohort of Americans surveyed. The Gazette asked clinical neuropsychologist Julie Brody Magid, Psy.D., clinical director of the McLean Memory Disorders Assessment Clinic and an instructor in psychology at Harvard Medical School, what functions cognitive tests measure, warning signs of mental decline, and how to maintain brain Read More