A Vaccine for Dementia?

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A new Stanford-led study analyzing a natural experiment in Wales found that adults who received the shingles vaccine were 20% less likely to develop dementia over seven years, offering one of the strongest pieces of evidence to date linking vaccines to reduced dementia risk.

Cannabis and Heart Disease

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Two new studies suggest that even healthy young cannabis users face significantly higher risks for heart attack and stroke. While causality remains unproven, researchers emphasize that “legal doesn’t mean safe.”