
How having cancer could REDUCE your risk of dementia later in life: The surprising truth about why surviving one of the world's biggest killers can actually have a protective effect
Daily MailHearing the news that you have a tumour which could shorten your life is something we all dread. For breast cancer, survivors were up to 20 per cent less likely to later develop dementia than women who hadn’t had the disease. Using data from UK Biobank – another British database with the details of half a million patients – the researchers tracked dementia rates and found that cancer survivors were, on average, 11 per cent less at risk, reported the journal Alzheimer’s Research and Therapy. Professor Kehoe adds: ‘It would make sense that systems which drive cell growth are protective against a disease where cells get destroyed by amyloid plaque deposits.’ Some experts say proof of the link between the two can be seen in studies that show having dementia also reduces the risk of subsequently developing cancer. ‘In breast cancer, for example, some research suggests an increase in dementia risk among survivors.’ One theory is that both conditions are associated with tissue inflammation that may promote disease.
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