Objective: Research has repeatedly shown that reminiscence affects the mental health and well-beingof older adults contemporaneously and over time. Cross-sectional research also points to a linkbetween reminiscence and physical health. The direction of this relationship is unclear, however.Does physical health affect how and why older adults think of themselves in the past? Or conversely,do various functions of reminiscence affect both mental and physical health now, and in future?Methods: Online responses were collected from a primarily Canadian sample of 411 older adults atthree time points, separated by eight months on average. Participants responded to theReminiscence Functions Scale at baseline and reported their health conditions, perceived state ofhealth, life satisfaction, and psychological distress at subsequent points of measurement. A structuralequation model was computed to identify direct and indirect associations between reminiscencefunctions and health over time.