Brain Health
and Dementia
Everything you need to know about understanding and supporting your cognitive health.
What is Brain Health?
Brain health refers to how well your brain works in everyday life. A healthy brain helps you:
Brain health exists on a continuum. It changes across life — and it can be supported.
Dive deeper into Brain Health
The Basics
Quick, clear summaries — a healthy, optimistic start to understanding brain health.
Find Out More
Explore the interconnected areas of brain health and what influences it.
The Science
A deeper dive into the research, modifiable factors, and global impact.
What is dementia?
Dementia is a group of conditions that affect how the brain works over time.
It can affect:
The most common types include:
Alzheimer’s disease
Vascular dementia
Lewy body dementia
Frontotemporal dementia
Dementia can occur before the age of 65. This is called Young Onset Dementia (YOD). Rare genetic conditions can also cause Childhood Dementia.
If you are worried about changes in memory or thinking, speak to your GP or health professional.
How we can reduce dementia risk
Evidence suggests that up to 45% of dementia cases worldwide are estimated to be associated with modifiable risk factors.
These modifiable factors are those that can be changed. They fall into three main areas. Click on an image or icon to explore a topic.
Healthy
Daily Habits
Health Checks
& Medical Care
Healthy
Environments
& Opportunities
Genetics &
Family History
Some of these factors can be influenced at the individual level. Others require broader community and policy action. This resource focuses particularly on areas where you can take practical steps, while also acknowledging the wider influences on brain health.
You may reduce
your risk
Although there are no guarantees, you may reduce your risk of experiencing dementia. You can also improve your quality of life if you are living with dementia, by modifying Healthy Daily Habits and staying on top of any Health Checks and Medical Care that you may have.
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