Alzheimer’s Society is the UK’s leading dementia charity. We give vital support to those who need it, fund groundbreaking research, and campaign to improve experiences.

Dementia and Alzheimer's disease affects many in the United Kingdom. Find help and get information on symptoms, tests, treatment, care and brain health.

Alzheimer's disease is the most common cause of dementia in the UK. Dementia is the name for a group of symptoms associated with an ongoing decline of brain functioning. It can affect memory, …

Find out more about Alzheimer's disease including symptoms, diagnosis and treatment options, as well as the support available to you.

We're striving for a cure, by revolutionising the way dementia is treated, diagnosed and prevented. With your support, we will be able to speed up our progress and change the lives of people affected by …

Dementia UK offers vital support for families affected by dementia. Learn about our services and find the help you need.

The Society provides information and support to people with any form of dementia and their carers through our publications, National Dementia Helpline, website and around 3,000 local services …

Dec 5, 2025 · Last year, more than 1-in-10 (11.8%) deaths in the UK were due to dementia. It claimed 76,894 lives, more than other big health conditions like heart disease and stroke, making it the UK’s …

Alzheimer's disease (AD) is a neurodegenerative disease and is the most common form of dementia, accounting for around 60–70% of cases. [15][16] The most common early symptom is difficulty in …

How many people have dementia worldwide? Are the numbers increasing? What is the cost of dementia care?