Alzheimer's disease

Alzheimer's disease affects brain function, memory and behaviour. Learn about the symptoms, how it’s diagnosed, and how to delay its onset.

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Alzheimer's disease treatment

There is currently no cure for Alzheimer's disease, but there are medicines available on prescription that can help delay the condition's development.

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What causes Alzheimer's disease?

It is unknown what actually causes the deterioration of brain cells, although there are several things known to affect your risk of developing Alzheimer’s disease. These are described on this page.

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Alzheimer's disease symptoms

No two cases of Alzheimer's disease are ever the same because different people react in different ways to the condition. Learn more about signs and symptoms.

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Alzheimer's disease prevention

There is no known way to prevent Alzheimer’s disease for certain. However, there are several steps that you can take to try to prevent or delay the onset of dementia.

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Alzheimer's disease diagnosis

It’s important to find out whether the symptoms that are worrying you are being caused by Alzheimer’s disease, or whether a different condition is causing them.

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Alzheimer's disease and diet

To help prevent dementia, a low-fat and high-fibre diet with fresh fruit and vegetables and whole grains is recommended. Find out about Alzheimer's disease and diet.

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Living with Alzheimer's disease

Dementia education and training can help families, carers and people with dementia manage the disease. Find out about living with dementia.

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Genetics of dementia

There isn't a single gene that is responsible for most types of dementia. However, some rare types of dementia can be inherited.

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Video: signs and diagnosis of dementia

Watch these videos below to learn from an expert about the early warning signs of dementia, when to talk with your doctor and how is dementia diagnosed.

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Dementia – an overview

Dementia is an umbrella term that refers to symptoms caused by changes in the functioning of the brain that affect memory, personality and behaviour.

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Lewy body disease

Lewy body disease is a common form of dementia. It is similar to Alzheimer's disease, and causes a progressive decline in mental abilities.

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Smart ways to keep your brain healthy and sharp

Mental decline starts before age 40. Here are smart ways to keep your brain healthy and help protect your brain against degenerative brain disorders such as Alzheimer's disease.

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What causes dementia?

Because there are a number of different types of dementia, there can be varying causes. Find out what causes dementia.

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Vascular dementia

Vascular dementia develops due to problems with the blood’s circulation to the brain. Find out about the types, symptoms, diagnosis and treatment.

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Dementia

Dementia affects a person’s thinking, behaviour and ability to perform everyday tasks. Learn about causes, symptoms, treatments, support and prevention.

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Sundowning

Sundowning occurs when a person’s symptoms of dementia get worse towards the end of the day. If you are a carer, find out how to manage sundowning.

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Frontotemporal dementia

Frontotemporal dementia (FTD) affects the parts of the brain controlling personality, behaviour and language. Learn about how to manage FTD symptoms.

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Types of psychosis

Psychosis is often a symptom of another underlying psychiatric problem. It can be caused by mental illnesses such as schizophrenia or severe depression.

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Worried about dementia?

You might be worried that you or a family member has dementia. Learn the early signs of dementia and how to raise concerns with your doctor.

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Confusion

Confusion can be temporary, but sometimes it’s a permanent state caused by a medical condition. Here are things you can do to help ease symptoms.

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Electroencephalogram (EEG)

An electroencephalogram, or EEG, is a test that measures the electrical activity of the brain. It can be used to diagnose or monitor conditions such as epilepsy and sleep disorders. Learn more about this diagnostic test from a trusted source.

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Causes of psychosis

While no one knows exactly what causes psychosis, it could be due to a combination of genetic and environmental factors. Drug abuse can also be a trigger.

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Dementia and driving

Dementia can affect your memory, concentration, judgement and vision, which makes driving a car difficult. Learn more about dementia and driving, and when you may need to stop.

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What does a neurologist do?

A neurologist is a specialist physician who treats conditions like epilepsy that affect the nervous system, which includes the brain, spinal cord and nerves.

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Helping someone with longer term confusion

Trusted information about helping someone with longer term confusion.

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Erectile dysfunction

Erectile dysfunction, or impotence, means not being able to get or keep an erection that is sufficient for sexual intercourse. Many men have impotence at some time in their lives. It can come and go.

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Causes of paranoia

Whilst paranoia may be caused by a mental disorder, it can also be triggered by recreational drug use, neurological diseases, severe trauma or stress.

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How technology is helping people with dementia

Technology, including useful apps, to support the more than 400,000 people living with dementia, can make a big difference -- both to them and to their carers. Learn more here.

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Anosmia (loss of smell)

Anosmia is the medical term for loss of smell. Find out about the causes, symptoms and treatments of anosmia.

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