Food Insecurity Linked to Increased Midlife Heart Disease Risk

Mar 13, 2025 at 2:05 AM

A recent study from Northwestern Medicine reveals a startling connection between food insecurity and heart disease. Young adults who struggle to afford nutritious meals are at a significantly higher risk of developing cardiovascular issues later in life. This groundbreaking research, published in JAMA Cardiology, underscores the importance of addressing food insecurity as a preventive measure against heart disease. The study highlights that even after adjusting for demographic and socioeconomic factors, individuals facing food scarcity have a 41% greater likelihood of developing heart problems in midlife.

The research, led by Dr. Jenny Jia, an instructor in general internal medicine and preventive medicine at Northwestern University Feinberg School of Medicine, analyzed data from the Coronary Artery Risk Development in Young Adults (CARDIA) study. This long-term cohort investigation has been tracking U.S. adults since the mid-1980s. By focusing on participants who reported food insecurity between 2000 and 2001, when they were in their early 30s to mid-40s, researchers were able to compare health outcomes over the subsequent two decades.

Among the 3,616 participants, those who experienced food insecurity were notably more prone to developing cardiovascular diseases. Specifically, 11% of food-insecure individuals developed heart disease compared to just 6% of those with stable access to food. This disparity suggests that food insecurity plays a crucial role in the onset of heart conditions, independent of other factors like race or education level.

Dr. Jia emphasized that this study clarifies the causal relationship between food insecurity and heart disease. "For years, there was uncertainty about which condition preceded the other," she explained. "Our findings show that food insecurity significantly increases the risk of cardiovascular disease, making it a clear target for prevention."

The implications of this research extend beyond understanding the link between food scarcity and heart health. It calls for healthcare providers to adopt proactive measures in identifying and addressing food insecurity. Primary care settings, including internists, pediatricians, and family doctors, are ideal environments for screening patients due to the established trust between providers and patients. Expanding these screenings to emergency rooms and specialty clinics could further enhance early detection and intervention.

Dr. Jia also highlighted the need for better strategies to assist individuals once they are identified as food insecure. Whether connecting them to social workers, referring them to community programs, or developing interventions within healthcare systems, the next steps are critical. "The more we screen for food insecurity, the better equipped we will be to help those at risk," she added.

The CARDIA study's findings challenge existing perceptions about heart disease, especially in younger populations. As the participants age, researchers plan to continue monitoring this group to explore the evolving relationship between food insecurity and heart health. Understanding these long-term effects is essential for developing comprehensive preventive strategies.