Experts warn that dementia is reaching epidemic levels, but the risks can be reduced by as much as a third.
It is already a leading cause of death and disability among older people as Dementia UK says it's estimated more than a million people across the UK and Ireland will be diagnosed by 2025.
"It's a really big deal and incredibly common," says Dr Emer MacSweeney, CEO and consultant neuroradiologist at Re:Cognition Health (recognitionhealth.com).
