Dementia
Condition
Definition
Dementia is a loss in mental skills, such as the ability to think, reason, learn, and understand. It causes problems with day to day tasks and self-care.
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Causes
Many health problems can be a cause. Some common ones are:
- Alzheimer dementia
- Brain damage after many small strokes
- Lewy body disease
- Front-temporal dementia, such as Pick disease
- Huntington disease
- Brain injury
- Creutzfeldt-Jakob disease and other prion disorders
- Parkinson disease
Risk Factors
It is more common in older adults. Other things that may raise the risk are:
- Having other people in your family who have it
- Down syndrome
- Having head trauma
- Having health problems that damage the heart and blood vessels, such as:
- High cholesterol
- High blood pressure
- Diabetes
- Multiple strokes
Symptoms
Symptoms start slowly and get worse with time. A person may have:
- Memory loss
- Lack of focus
- Problems making choices or plans
- Problems naming things
- Problems with getting lost in familiar places
- Mood swings
- Slowness when moving
- Pulled away from other people
Diagnosis
The doctor will ask about symptoms and health history. A physical exam will be done. Tests on memory, thought processes, and the nervous system will also be done. Images of the brain may be taken with:
Treatment
The goal of treatment is to manage the symptoms. There is no cure for dementia. Some symptoms can be managed with medicines such as:
- Cholinesterase inhibitors to treat changes in thinking
- Memantine to decrease abnormal activity in the brain
Prevention
The exact cause of dementia is not known. General tips for brain health include:
- Exercise regularly. Aim for 150 minutes or more of activity each week.
- Eat a healthful diet that is rich in fruits, vegetables, grains, beans, seeds, olive oil, and fish.
- If you drink, drink in moderation. This means no more than 1 drink per day for women and 2 drinks per day for men.
- Stop smoking.
- Reach or stay at a healthy weight.
- Manage high blood pressure, high cholesterol, and diabetes.
- Look for ways to challenge and grow mental abilities throughout life. This could mean learning new skills or completing mental games and puzzles.
Lifestyle Changes
These changes may also be helpful:
- Getting light exercise
- Eating a healthy diet such as the Mediterranean Diet or something like it
- Making the home a calm and safe place
- Getting personal comfort needs met, such as hunger, thirst, and emotions
- Using memory aides
- Choosing a person who can make medical and other key choices for a person if they are not able to
Alzheimer's Association
American Academy of Neurology
CANADIAN RESOURCES:
Alzheimer Society Canada
Toronto Dementia Network
Alzheimer's Association
American Academy of Neurology
CANADIAN RESOURCES:
Alzheimer Society Canada
Toronto Dementia Network
References
- Alzheimer dementia. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/alzheimer-dementia.
- Dementia evaluation. EBSCO DynaMed website. Available at: https://www.dynamed.com/evaluation/dementia-evaluation.
- How is Alzheimer's disease treated? National Institute on Aging website. Available at: https://www.nia.nih.gov/health/how-alzheimers-disease-treated.
- Moga, D.C., Roberts, M., et al. Dementia for the Primary Care Provider. Primary Care, 2017; 44 (3): 439-456.
- What do we know about diet and prevention of Alzheimer’s disease? National Institute on Aging website. Available at: https://www.nia.nih.gov/health/what-do-we-know-about-diet-and-prevention-alzheimers-disease.
Contributors
- Rimas Lukas, MD
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