Are you a trained professional able to take care of your Grandma or Mom who is diagnosed with Alzheimer's or Dementia? Then why are you doing it asks the Counselor live 

What is the main difference between dementia and Alzheimer's?

While dementia is a general term, Alzheimer's disease is a specific brain disease. It is marked by symptoms of dementia that gradually get worse over time. Alzheimer's disease first affects the part of the brain associated with learning, so early symptoms often include changes in memory, thinking and reasoning skills.