This document discusses Alzheimer's disease and dementia. It begins by explaining the difference between dementia and Alzheimer's, with Alzheimer's being a specific disease that accounts for 60-80% of dementia cases. It then discusses the causes of dementia and shows images comparing healthy and demented brains. Subsequent sections discuss the increasing prevalence and economic impact of Alzheimer's, the lack of a cure currently, and ways individuals can help reduce their risk such as exercising, social engagement, sleep, and diet. It emphasizes the need for more research funding to find effective treatments and a cure.