The Shingles Vaccine Reduces Dementia

In 2013 in Can the Shingles Vaccine Prevent Dementia? I wrote: A new paper provides good evidence that the shingles vaccine can prevent dementia, which strongly suggests that some forms of dementia are caused by the varicella zoster virus (VZV), the virus that on initial infection causes chickenpox. We now have three more studies–from America, Australia and Canada–that find similar results using large numbers and credible research designs. Thus, I think we can up this to the Shingles vaccine red...