Prevent Brain Damage · Brain health technique
Shingles (herpes zoster) vaccination
Evidence grade: Context Dependent

A two-dose vaccine (Shingrix) that prevents shingles, the painful reactivation of the chickenpox virus.
- Practice
- Prevent Brain Damage
- Principle
- Protection
- Tactic
- Vaccines & Hygiene
- Health domains
- inflammation
- Evidence grade
- Context Dependent
- Strength of evidence
- Medium
- Cost
- Low
- Effort
- Low
- Time commitment
- Low
How to practice Shingles (herpes zoster) vaccination
Recommended for adults 50 and older, or younger if your immune system is weakened. Two shots, given two to six months apart. Side effects like sore arm or fatigue are common but brief.
The evidence behind Shingles (herpes zoster) vaccination
Herpes viruses are being studied as a possible trigger for chronic brain inflammation and amyloid buildup. Large studies have found that adults who get the shingles vaccine have about 15–30% lower rates of dementia in the years afterward. Scientists can’t yet say this proves cause and effect, but the direction of the evidence is encouraging.
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