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VACCINATIONS might have an unexpected bonus. They may dramatically reduce
your chances of developing Alzheimer’s in old age.

According to René Verreault from Laval University in Quebec, his study
of ageing seems to show just that. Verreault’s team looked at data from 4392
elderly people in a five-year study and correlated the incidence of Alzheimer’s
with a variety of factors—including whether they had been vaccinated
against various diseases.

To their surprise, they found that people who’d had a tetanus or diphtheria
jab were 59 per cent less likely to be diagnosed with Alzheimer’s during the
study. Polio jabs led…

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