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What are the symptoms of Alzheimer's disease?

Alzheimer's disease generally progresses slowly, so the symptoms may initially not be very noticeable. As the condition progresses, the symptoms vary as different areas of the brain become affected. Common symptoms may include: frequent and persistent memory loss; language difficulties; emotional unpredictability; changes in behavior, personality and mood; confusion and disorientation; and becoming increasingly less able to problem-solve, organize and plan.

FAQ Frequently asked questions

What is Alzheimer's disease?

Alzheimer's disease is an invariably progressive condition of the brain that causes problems with memory, thinking, language and behavior.

What causes Alzheimer's disease?

For the majority of cases, it is not known why some people develop Alzheimer's disease. Most cases are not caused by known changes in genes. People with Alzheimer's disease have been shown to have abnormal levels of the proteins amyloid and tau, which build …

Who gets Alzheimer's disease?

The biggest risk factor for developing Alzheimer's disease is increasing age. Most people diagnosed with Alzheimer's disease are over the age of 65. Poor heart health is thought to increase the risk of developing Alzheimer's disease.

How is Alzheimer's disease diagnosed?

Alzheimer's disease can be diagnosed by your doctor taking a detailed medical history, conducting laboratory tests to rule out other possible causes of dementia and using brain imaging.

How is Alzheimer's disease treated?

Although there is no cure for Alzheimer's disease, many people with Alzheimer's disease are treated with a combination of supportive treatment to allow them to continue a comfortable life. Medications may be used to enhance cognitive function and …

Can Alzheimer's disease be cured?

Alzheimer's disease cannot be cured; current treatments aim to slow the cognitive decline and relieve symptoms. Research is ongoing for a cure for Alzheimer's disease.

Can Alzheimer's disease be prevented?

There is no known prevention for Alzheimer's disease. However, research suggests that you may be able to reduce your risks by maintaining a high level of fitness and avoiding smoking and excessive consumption of alcohol.

What is the outlook for Alzheimer's disease?

Alzheimer's disease is an invariably progressive disease. Most cases will progress to their terminal stages between 8 and 15 years from the first onset of symptoms.

How common is Alzheimer's disease?

Alzheimer's disease is the leading cause of disability in people over the age of 65 years and affects one in four people over the age of 85.

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About this article

Author: Dr Nikki Wallis PhD, BSc
First answered: 28 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.0 out of 5
Votes: 710 (Click smiley face below to rate)
Category: Dementia

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