A recent study published in JAMA Network Open sheds light on the persistent health disparities affecting Black Americans, particularly in the realm of cognitive decline. The research, led by Dr. Kristin R. Krueger, examines the impact of socioeconomic status (SES) across the lifespan on cognitive function and brain health. The findings reveal that Black individuals experience lower SES throughout their lives compared to White individuals, which correlates with poorer cognitive outcomes in later years.
The study involved a cohort of 7,303 participants and found that higher SES, especially during adulthood, is associated with better cognitive function and less cognitive decline. However, Black participants consistently had lower SES, which contributed to significant disparities in cognitive health. Dr. Krueger’s team emphasizes that these disparities are not merely a result of individual choices but are deeply rooted in systemic inequities that affect access to education, healthcare, and economic opportunities.
The implications of this study are profound, highlighting the need for targeted interventions to address the socioeconomic factors that disproportionately impact Black communities. By improving access to resources and opportunities, it may be possible to mitigate some of the cognitive decline associated with lower SES. This research underscores the importance of addressing the broader social determinants of health to achieve equity in cognitive health outcomes.
See: “Lifetime Socioeconomic Status, Cognitive Decline, and Brain Characteristics” (February 21, 2025)