Today, 1 in 3 older adults has dementia, according to the Alzheimer’s Association. To think your loved one might be one of those statistics can be terrifying, and the scariest part is often the unknown. What can you expect? How can you help? It’s never easy, but educating yourself on what may lie ahead can be helpful, and preparing as best as possible can be empowering. To start, here’s what you should know about the stages of dementia.