>Several vaccine types are linked to decreased dementia risk, suggesting that these associations are due to nonspecific effects on inflammation rather than vacc

>Several vaccine types are linked to decreased dementia risk, suggesting that these associations are due to nonspecific effects on inflammation rather than vaccine-induced pathogen-specific protective effects. Doesn't this make it sound like there's a confounding factor? Such as: vaccines are more common in people that are wealthier or people that choose to align their lifestyles with recommendations from doctors?