 Forgetting well-known things doesn't. Memory loss may be a sign of Alzheimer's disease. Early detection gives you and your loved one time to plan for the future. Learn the warning signs of Alzheimer's at 10science.org. Brought to you by the Alzheimer's Association and the Ad Council. My mom has taken up going to the park to practice yoga. My dad's going to a club, but not a book club, a salsa club. Finding new hobbies comes with age.