While there’s no guaranteed way to prevent or cure Alzheimer’s, many doctors and scientists believe a person’s diet can play a major role in what causes the disease in the first place. Multiple studies have shown that certain foods put people at a greater risk for developing Alzheimer’s, dementia, and other brain-related issues. Take a look at five of those foods, and if your senior loved one eats them, consider having him or her switch to some memory-boosting alternatives.