According to the latest evidence, up to 40% of dementia cases could be prevented if 12 risk factors could be eliminated entirely. These include smoking, hearing impairment, high blood pressure, physical inactivity, excessive alcohol consumption, diabetes, and infrequent social contact.

However, only a third of people realise that there are steps they can take to reduce their risk of dementia.

Alzheimer’s Research UK wants to empower people to look after their brains and reduce their risk of dementia in later life. Our Think Brain Health Check-in, prompts people to answer a series of evidence-based questions about the factors that research has shown could be influencing their brain health.

As part of this campaign, we polled 2198 UK adults between 15th – 16th December 2022, about their understanding of brain health, and what they do to keep their brains healthy.

All figures, unless otherwise stated, are from YouGov Plc.  Total sample size was 2198 adults. Fieldwork was undertaken between 15th – 16th December 2022.  The survey was carried out online. The figures have been weighted and are representative of all UK adults (aged 18+).

Page last reviewed: 01/2023

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