One in three Alzheimer's cases are potentially preventable if people improve their lifestyle choices, a new study has revealed.
Factors include a lack of exercise, smoking and a lack of education which can contribute to the disease, and reducing the risk from these could prevent some nine million cases by 2050, the research published in The Lancet Neurology today suggests.
The seven risk factors associated with Alzheimer's are diabetes, midlife hypertension, midlife obesity, physical inactivity, depression, smoking, and low educational attainment.
It is thought that by 2050 more than 106 million people will have Alzheimer's, up from 30 million sufferers in 2010.
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Outbreaks of rain and strengthening winds will affect southernmost parts of England and Wales today.
An earlier debate on the issue was suspended as an 'expression of support' following the Westminster terror attack.
Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.