Advisory Board February 27, 2025
The idea that viral infections may play a role in dementia has been around for decades, and a recent preprint study found that people who received a shingles vaccine had a notably lower risk of developing dementia later in life, Megan Molteni reports for STAT.
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Study details
For the study, researchers looked at nearly 300,000 electronic health records gathered randomly from people born in Wales between 1925 and 1942.
Unlike the United States, which has a lower age threshold to receive the shingles vaccine, Wales decided to disqualify anyone older than 80 based on data suggesting the vaccine wasn’t as effective in those older populations. Therefore, anyone born on or after September...