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Flu Vaccine Cuts Alzheimer's Risk by 40% in Seniors

9/28/2025

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Summary

Story summary

Flu vaccination reduces Alzheimer's disease risk by 40% in adults aged 65 and older.
The study covered nearly 2 million participants aged 65 and older, comparing those vaccinated with those not.
Pneumonia vaccination between ages 65 and 75 can reduce Alzheimer's risk by up to 40%.
More than 7 million Americans live with Alzheimer's, with deaths rising since 2000.

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Story summary

Flu vaccination reduces Alzheimer's disease risk by 40% in adults aged 65 and older.
The study covered nearly 2 million participants aged 65 and older, comparing those vaccinated with those not.
Pneumonia vaccination between ages 65 and 75 can reduce Alzheimer's risk by up to 40%.
More than 7 million Americans live with Alzheimer's, with deaths rising since 2000.