People who get vaccinated against shingles at age 70 may reduce their risk of dementia over the next seven years, suggests one analysis. However, an expert told Live Science that the study is missing a key analysis, the omission of which casts doubt on the strength of the findings. Mounting evidence suggests that viral infections may increase the risk of later dementia, a condition that impairs the ability to remember, think and make decisions and they affect about 5.8 million people in the United States Specifically, research has shingles-related infectionscaused…
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