I know many people who worry about getting Alzheimer’s because a grandparent, parent or sibling suffers from it. When keys are lost, eyeglasses are misplaced, or things historically recalled are forgotten, family members of those with Alzheimer’s or other dementias often wonder if they, too, have the disease. But according to the Alzheimer’s Association, the greatest risk factor for Alzheimer’s disease is not genetics, it’s age. Alzheimer’s disease presents itself primarily in those age 65 or older. Statistics show the likelihood of developing Alzheimer’s doubles about every five years after age 65. After age 85, the risk reaches nearly 50 percent. Because so many people are living longer, we’re seeing a significant increase in the numbers with the disease. It’s predicted that by 2050, as many as 16 million Americans will be living with Alzheimer’s. One tool—memory screenings performed by qualified medical professionals—may help in determining if there’s been a decline in memory...