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Modelling study reveals that dementia risk reduction programmes could reduce dementia rates by 8.5%

Tuesday 20 October 2020

The recent Lancet Commission on dementia prevention, intervention and care identified modifiable risk factors that could account for almost 40% of dementia cases worldwide.  Following on from this publication, a team of investigators led by Prof. Gill Livingston of University College London have shown that dementia risk reduction programmes that target lifestyle factors and treatable diseases could save over £1.8 billion a year in England and reduce dementia rates by 8.5%.

Published in the Lancet Healthy Longevity journal on 20 October, the study reviewed scientific articles on interventions that target the modifiable risk factors from the Lancet Commission. Using a modelling approach, the researchers identified key dementia risk factors that could be feasibly be targeted by preventative interventions, and assessed the cost saving that could be obtained in England alone.  By implementing public health programmes to treat hypertension, reduce smoking and improve hearing in mid-life, they estimated an annual cost saving of £1.86bn, taking into account the cost of each intervention and factoring in the costs of social and health care.