This document discusses ways to potentially prevent Alzheimer's disease based on various research findings. It suggests that maintaining a heart-healthy diet of fruits, vegetables, whole grains and limiting sugar/fats may help protect the brain. It also notes that regular exercise of 15-30 minutes 3 times per week may reduce Alzheimer's risk. Additionally, continuing to engage in activities you enjoy like attending events, speaking multiple languages, listening to music, playing an instrument, drawing and bringing back old memories through art can help prevent Alzheimer's by keeping the brain active.