Not being able to run as fast or lift as much weight as you used to is an acceptable form of aging. But when memory starts to go? There’s little that’s more frustrating. But it happens. Just like your muscles have slowed down with age, so has your brain. Age can cause your brain to process, store, and recall information more slowly. You may also have greater distractions: the pain in your back, for example, or the pills you use to treat it, can influence focus and memory recall. Age also means you’ve learned a lot more. All of your experience adds up to more memories. The information you need to remember daily, or habits you’ve formed, are much easier to recall than old memories or random events that may arise. Slower learning, processing, storing, and retrieving speeds are likely not related to cognitive diseases like dementia and Alzheimer’s. It’s …