🧠💉 "Shots, Shingles, and Sharp Minds: The Brain-Boosting Power of a Vaccine
Dr RR Baliga's "Got Knowledge Doc" Podkast
April 6, 20252m 16s
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Show Notes
💉 A natural experiment in Wales showed that the shingles vaccine (Zostavax) reduced dementia risk by 20% over 7 years.
🧠 The study used a clever birthdate cutoff to mimic randomization and avoid confounding.
👩🔬 Women benefited more, suggesting immune or viral mechanisms beyond shingles prevention.
📊 Findings offer hope for low-cost, brain-protective interventions in aging populations.