You're older now, and your memory seems to be slipping. You hope it's nothing serious, but it nags at you. Could it be . . . Alzheimer's? Or perhaps this describes you. Your aging parent doesn't seem ...

Why should I get a memory test? As we age, our brains undergo both anatomical and chemical changes. Shrinkage begins in our 30s and 40s, with the prefrontal cortex, cerebellum and hippocampus ...