Why should you have a brain scan to test for dementia when there’s no cure? Knowing can help you delay its onset, neurologist says

  • New research shows dementia can be detected via brain imaging 9 years before symptoms start, which gives time to form good habits and hinder its progress
  • Despite there being no cure, getting a scan and building your brain’s resilience through mental challenges, being social and living healthily will help

It can be daunting to get a brain scan to test for signs of dementia, but a neurologist behind new research reveals the advantages of knowing early. Photo: Shutterstock
This is the second instalment in a series on dementia, including the research into its causes and treatment, advice for carers, and stories of hope.

New research has discovered that signs of dementia can be spotted up to nine years before the symptoms of the disease begin to manifest.

Print option is available for subscribers only.
SUBSCRIBE NOW
Copyright © 2025 South China Morning Post Publishers Ltd. All rights reserved.