Are dementia and alzheimer's the same thing?

Dementia is general: Dementia describes illnesses that affect memory and other brain functions like speech, decision making, naming and ability to use tools. Alzheimers disease is the most common form of dementia and it first impairs being able to form a memory and difficulty with language. There are many other types of dementia, most commonly lewy body, frontal temporal lobe and vascular.

Not exactly.: Dementia is an illness with multiple causes, some treatable. Alzheimer's is just one type of dementia.

No: Dementia can be defined as a progressive decline in cognitive function. Alzheimer's is a one of the causes of dementia.

Dementia: Alzheimer is one form of Dementia.