Alzheimer's Disease: Understanding Dementia
disease affects men and women of all races, religions,
and socio-economic backgrounds. It is not a normal
part of aging and no one is immune. It is a fatal,
progressive and degenerative disease that destroys brain
Dementia is an overall term for a set of symptoms that
are caused by disorders affecting the brain.
Symptoms may include memory loss and difficulties with
thinking, problem-solving, or language, severe enough to
reduce a person's ability to perform everyday
activities. A person with dementia may also
experience changes in mood or behaviour.
Dementia is progressive,
which means the symptoms will gradually get worse as
more brain cells become damaged and eventually die.
Dementia is not a specific
disease. Many diseases can cause dementia, the
most common being Alzheimer's disease and vascular
dementia (due to strokes). Some of the other
causes of dementia include Lewy Body disease, head
trauma, fronto-temporal dementia, Creutzfeldt-Jakob
disease, Parkinson's disease, and Huntington's disease.
These conditions can have similar and overlapping
can produce symptoms similar to dementia, for example,
vitamin deficiencies, thyroid disease, sleep disorders,
or mental illness. It is therefore important to
arrange for a full medical assessment as early as
Getting a timely diagnosis
can help you access information, resources and support
through the Alzheimer Society, benefit from treatment,
and plan ahead.
About the Brain
Inside the Brain: An Interactive Tour
The Brain tour explains how the brain works and how
Alzheimer's disease affects it. To take the tour,