Environmental Exposures Linked to Cognitive Decline in All of Us Study
Research utilizing data from the All of Us Research Program (2018–2024) investigated the relationship between short-term environmental factors—such as daily weather and air pollution—and perceived cognitive challenges. While initial combined analyses indicated minor correlations, these largely vanished when considering temporal variations within locations. The study also incorporated machine learning techniques to assess variability and psychosocial frameworks, with findings replicated through the 2024 Behavioral Risk Factor Surveillance System (BRFSS). Both mediation and sensitivity analyses produced null outcomes, implying that many observed associations might stem from wider geographic and contextual disparities instead of direct causal relationships.
Key facts
- Data from All of Us Research Program (2018–2024) used
- Linked daily weather and air-pollution exposures to cognitive outcomes
- Associations evaluated via pooled, fixed-effects, lagged, and event-study analyses
- Machine-learning analyses explored heterogeneity and latent psychosocial structure
- Replication performed using 2024 Behavioral Risk Factor Surveillance System (BRFSS)
- Most associations attenuated after accounting for within-location temporal variation
- Mediation and sensitivity analyses yielded null results
- Study suggests reported associations may reflect geographic and contextual differences
Entities
Institutions
- All of Us Research Program
- Behavioral Risk Factor Surveillance System