This document discusses dementia, including what causes it and its symptoms. It describes the medical and salutogenic models for understanding dementia and focuses on engaging people with dementia through activities like singing, humor, reminiscence therapy, and life story work. These interventions can reduce agitation and improve mood. The document also compares support for dementia patients and caregivers in other countries, finding that the US lags behind places that consider long-term care a social responsibility.