In an important expert reaction published by New Zealand’s Science Media Centre, researchers responded to global findings showing that up to 40-48% of dementia cases could be prevented or delayed through changes to lifestyle and environment. This research challenges the common belief that dementia is purely genetic or inevitable, highlighting the powerful role of modifiable risk factors across our lifespan.
The experts point to twelve key lifestyle-related risk factors that influence brain health, many of which begin accumulating decades before symptoms emerge. These include:
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Physical inactivity
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Smoking
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Excessive alcohol consumption
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Social isolation
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High blood pressure
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Hearing loss
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Poor diet
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Obesity
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Depression
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Air pollution
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Diabetes
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Low levels of education
Encouragingly, the article stresses that even making small improvements in these areas can lead to measurable benefits, not just in preventing dementia but in enhancing overall quality of life.
Professor A. Moyes from the University of Otago notes that, particularly in New Zealand and other high-income countries, public health campaigns and accessible community support are key to turning this knowledge into action. Interventions must also be tailored to specific populations, including Māori and Pacific communities, to ensure culturally relevant support and impact.
For those already living with early symptoms or a diagnosis of dementia, the message remains one of hope and agency. It’s never too late to make changes that can slow progression, reduce stress, and improve daily functioning.
At Elli Cares, we embrace this proactive approach to brain health. Our app supports people with dementia and their families by promoting daily structure, meaningful connection, and lifestyle habits proven to support cognitive function - helping users live with dignity, safety, and optimism.
👉 Read the full article on the Science Media Centre NZ
