Seniors attribute every forgotten word, every set of misplaced keys, and every missed appointment to Alzheimer's. Memory loss due to Alzheimer's disease (AD) is terrifying, but that doesn't mean that every time you forget something, you should see a dark shadow of this terrifying disease looming over your head. In this video, American neuroscientist and author Lisa Genova explains how to distinguish everyday memory glitches from AD, and how to make your brain resistant to the devastating brain disease.