Shingles Shot Might Help Keep Your Brain Younger
The effect of shingles vaccination at different stages of the dementia disease course
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
The vaccine reduced all-cause mortality—but only in people with dementia, and only from dementia-related causes, not heart disease or cancer.
Most people assume vaccines improve general health—but here, the benefit is laser-focused: it doesn’t prevent other diseases, just slows dementia’s deadly march.
Practical Takeaways
Women over 80 with dementia—or those at high risk—should ask their doctor about the shingles vaccine, even if they’ve already been diagnosed.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
The vaccine reduced all-cause mortality—but only in people with dementia, and only from dementia-related causes, not heart disease or cancer.
Most people assume vaccines improve general health—but here, the benefit is laser-focused: it doesn’t prevent other diseases, just slows dementia’s deadly march.
Practical Takeaways
Women over 80 with dementia—or those at high risk—should ask their doctor about the shingles vaccine, even if they’ve already been diagnosed.
Publication
Journal
Cell
Year
2025
Authors
M. Xie, Markus Eyting, Christian Bommer, H. Ahmed, Pascal Geldsetzer
Related Content
Claims (8)
If kids born just before and after a vaccine eligibility cutoff get vaccinated at different times, scientists can compare them to see if getting the vaccine early helps prevent dementia later in life — like a real-life experiment without random assignment.
People who got the shingles vaccine didn’t have more or fewer other health problems than those just barely eligible for it—and since those groups were otherwise similar, it looks like the vaccine might help lower dementia risk, not just luck or other health habits.
If you can stop the chickenpox virus from waking up again in your nerves, it might calm down brain swelling and reduce harmful protein buildups that lead to memory problems and dementia.
People with dementia who got the shingles vaccine were nearly 30% less likely to die from dementia over nine years—maybe the vaccine helps slow down how fast dementia gets worse, even in advanced stages.
Getting the shingles vaccine might help older adults (79–80 years old) stay mentally sharper longer—studies show they were 3.1% less likely to be diagnosed with mild memory problems over nine years.