Alzheimers disease and infection: Do infectious agents contribute to progression of Alzheimers disease Honjo K et al. - Infection with several important pathogens could constitute risk factors for cognitive impairment, dementia, and Alzheimer's disease (AD) in particular. Central nervous system or systemic infections may contribute to the pathogenesis or pathophysiology of AD, and chronic infection with several pathogens should be considered a risk factor for sporadic AD. [more...]