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Dementia is abnormal brain degeneration that leads to changes in a person’s ability to think, speak, socialize and take part in daily activities.
As we get older, it takes us longer to learn new things and to recall information. Many of us worry that each time we struggle to remember a name, a word or an event, that this could be the first sign of Alzheimer’s disease or a related dementia.
Dementia is not a normal part of aging; only one per cent of people with age-related memory loss develop dementia. It's an abnormal degeneration of the brain that leads to changes in a person’s ability to think, speak, socialize and take part in normal daily activities.
Alzheimer’s disease is the most common form of dementia, followed by vascular dementia, Lewy bodies and frontotemporal lobe dementia. Dementia affects about two per cent of Canadians age 65 to 74 and 35 per cent of those over 85.
The early signs of dementia are very subtle—often not involving memory loss—and hard to detect. The early signs of dementia can sometimes be triggered by depression, medication, nutritional disorders and numerous other medical conditions. Dementia develops at different rates in different people.
People with dementia are likely to have at least a few of the following signs:
Whatever the cause of the dementia, symptoms may include:
The risk of developing dementia increases with age.
Detecting dementia early and identifying the specific type is crucial for providing proper care. An early diagnosis also gives you, your family and friends time to prepare and connect with the right resources to help maintain your independence.
While there's no cure for dementia, keeping your brain active may help delay the effects of dementia and prolong independence. Reading, learning a new skill, and staying physically active and socially connected are all concrete steps to staying mentally and physically healthy for as long as possible.
As dementia progresses, different parts of the brain are affected leading to a range of changes and diminishing abilities. From what we know of dementia, abilities that are lost do not then return. Memory-enhancing drugs may be able to maintain memory for a period of time.
If you or a loved one are diagnosed with dementia:
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