Fast die Hälfte der Demenzfälle könnten durch die Bekämpfung veränderbarer Risikofaktoren wie körperliche Inaktivität, Rauchen, geringe Bildung oder soziale Isolation verhindert werden. Neue Forschungsergebnisse deuten jedoch darauf hin, dass die aktuellen Ansätze im Bereich der öffentlichen Gesundheit nicht in der Lage sind, eine echte Verhaltensänderung herbeizuführen.
Almost half of dementia cases could be prevented – but change is needed
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Nearly half of dementia cases could be prevented by tackling modifiable risk factors such as physical inactivity, smoking, low education or social isolation, but new Curtin University [research](https://doi.org/10.1016/j.lanhl.2026.100869) suggests current public health approaches are falling short of driving real behaviour change.
A major international review published in *The Lancet Healthy Longevity* has found while large-scale health awareness campaigns for dementia prevention can reach wide audiences, they often lead to only small improvements in knowledge and limited changes in behaviour.
The study analysed public health campaigns and programs across eight countries and found more engaging, personalised and community-driven approaches were needed to genuinely influence behaviour and reduce dementia risk.
https://www.thelancet.com/journals/lanhl/article/PIIS2666-7568(26)00053-X/fulltext
Until we fix a whole lot of problems with how our modern society is built – the stress, isolation, lack of healthy spaces encouraging movement, and the addictive nature of cheap, nutritionally void processed foods and social media – the majority of our current health problems, including dementia, are here to stay.
its not realistic to fix the physical inactivity problem in a car dependent society without addressing extreme car dependence due to hyper restrictive zoning laws.
Nothing of these factors fit the slightest to my grandmother and she still got it. She is the exact opposite of it
low education is not that easy to solve imho
My father and I avoided ALL of those issues and proactively utilized all potential supplements and dietary changes that might assist our fight for my mother. She lasted for decades, far more than others diagnosed with dementia during that period, some even passing away in the “good years.” But eventually it was like watching a copy of a copy of a copy as she slowly faded away from our reality, only a ghost of her original jolly, precious self until she finally was ready to go.
This is why I have an issue with the push for “value based care” in medicine. I can do my job as a physician, but until ALL of my patients can afford the recommended meds, have affordable access to nutritious food, can safely exercise daily it is not possible for me to create the outcome that insurances are looking for.
Our whole society isn’t built around wellbeing its built around profit. You’d need to fix society first best we can do is tinker around the edges till the world changes