Stanford Researchers Say This Common Vaccine Can Lower Your Dementia Risk by 20%

Shingles Shot Slashes Dementia Risk by 20% in Landmark Stanford Study

Recent studies have uncovered a fascinating potential benefit of the shingles vaccine it may help lower the risk of developing dementia. While the primary purpose of the shingles vaccine (Shingrix) is to protect against the painful reactivation of the varicella-zoster virus, emerging research suggests it could also play a role in safeguarding cognitive function.

How Shingles and Dementia Could Be Linked

Shingles, caused by the same virus as chickenpox, leads to a painful rash and can cause long-term nerve damage. Scientists now believe that chronic inflammation from viral infections, including shingles, may contribute to neurodegenerative diseases like Alzheimer’s and other forms of dementia.

A 2023 study published in Neurology found that people who received the shingles vaccine had a 20% lower risk of developing dementia compared to unvaccinated individuals. Researchers theorize that by preventing shingles, the vaccine may reduce brain inflammation and viral damage linked to cognitive decline.

Shingles vaccine tied to a 20% lower risk of dementia among older people

Why the Shingles Vaccine Might Protect the Brain

1. Reduces Viral Reactivation – The varicella-zoster virus can remain dormant in nerve cells for decades. If reactivated, it may trigger harmful inflammation affecting the brain.
2. Lowers Chronic Inflammation – Persistent inflammation is a known risk factor for dementia. Vaccination may help mitigate this.
3. Strengthens Immune Response – A robust immune system could help protect against neurodegenerative processes.

Should You Get Vaccinated for Dementia Prevention?

While more research is needed to confirm the shingles vaccine’s role in dementia prevention, experts agree that vaccination is crucial for:

• Adults 50+ (or younger if immunocompromised)
• Those with a history of chickenpox
• Individuals at higher risk for shingles complications

The CDC recommends two doses of Shingrix, the most effective shingles vaccine available.

A Promising Step Toward Brain Health

Though not yet a proven dementia prevention method, the shingles vaccine offers dual benefits protection against a painful condition and potential cognitive perks. If you’re eligible, consulting your doctor about vaccination could be a smart move for both your body and brain.

Did You Know? Other vaccines, including flu and pneumonia shots, have also been linked to reduced dementia risk. Staying up-to-date on immunizations may be a simple yet powerful way to support long-term brain health.