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Flu Shot Linked to Lower Alzheimer's Risk
17 Oct
Summary
- High-dose flu shots show a nearly 55% lower Alzheimer's risk.
- Inflammation reduction may explain the link between flu shots and brain health.
- Getting a flu shot is recommended before Halloween annually.
Recent research suggests a significant connection between receiving a flu vaccination and a reduced risk of Alzheimer's disease. A study published in Neurology analyzed data from nearly 165,000 older adults, comparing those who received high-dose flu shots versus standard-dose vaccines.
Individuals aged 65 and above who opted for the high-dose flu vaccine demonstrated a nearly 55 percent lower relative risk of developing Alzheimer's disease during the study's two-year tracking period. This finding is particularly noteworthy as it occurred even when comparing vaccinated groups.
Experts speculate that the association may stem from the flu vaccine's ability to mitigate inflammation, including neuroinflammation, which is thought to predispose the brain to Alzheimer's. While not a direct preventative measure, staying up-to-date with vaccinations like the flu shot offers potential long-term brain protection. Healthcare providers often advise getting the flu shot before Halloween.
