One Good Thing

One Good Thing

Defeating Dementia

Shingles to the rescue?

E.J.'s avatar
E.J.
Feb 03, 2026
∙ Paid

For generations, the diagnosis of dementia must have felt like a closing door. Too many of us have watched parents and grandparents simply slip away into a fog impenetrable by medicine or love.

But what if this formidable fog may actually be treatable? What if modern medicine may have found a key to preserve mental stability, and what if that key has been hiding in plain sight, tucked away in a vaccine we’ve been using for years?

Yup, there’s a very good chance that we will soon no longer be “managing” cognitive decline*—*we are on the precipice of preventing it. Today’s story begins not in a sterile, high-tech lab, but amongst the rolling hills of Wales, and with a routine public health decision that inadvertently launched one of the most hopeful chapters in neurological history.

figure 2
Effect of the Shingles Vaccine on Shingles
figure 3
Effect of the Shingles Vaccine on Dementia
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