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You don’t have to look very far to hear all about supposedly negative side-effects tied to various vaccines. Now, researchers from UTHealth Houston are flipping the script. Their report reveals that the flu vaccine may offer a very attractive side-effect: protection against dementia. … The study finds individuals who received at least one flue vaccine were 40 percent less likely than non-vaccinated people to develop Alzheimer’s disease over the course of a four-year span