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Alzheimer's 'associated with reduced risk of cancer'

Alzheimer's disease is associated with a reduced risk of cancer and vice versa, a study suggests.

US researchers followed 3,020 people aged 65 and above for the study, published in the journal Neurology.

Those who had Alzheimer's at the start of the study were 69% less likely to be admitted to hospital with cancer than those free of the disease at the start.

And those with cancer at the study's start were 43% less likely to develop Alzheimer's than the cancer free.

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