Forgetting why you walked into a room can be annoying. Forgetting names, appointments, or where you put your keys can feel a little scary. The good news is that your brain can still respond to healthy habits after 65, and exercise is one of the best places to start. You don’t have to train like an athlete. A steady walk, light strength work, balance practice, or dancing in the kitchen can all help. The real goal is to move often enough that your heart, muscles, and brain get