Intraocular inflammation and presumed retinal vasculitis following initial pegcetacoplan intravitreal injection.

US federal safety-net programs face recurring threats to benefit continuity, from appropriations lapses and administrative reforms to state-level modernization efforts and expanded work and reporting requirements. The health consequences of these disruptions are poorly understood, despite their growing policy salience. Food assistance is a case in point: The Supplemental Nutrition Assistance Program (SNAP) reaches more than 40 million low-income Americans, a population in which chronic conditions requiring consistent medication-taking, predictable nutrition, and routine care are common. Supplemental Nutrition Assistance Program reduces food insecurity and poverty and is associated with multiple improved health outcomes. Whether and how unplanned interruptions in SNAP benefit receipt translate into changes in health-relevant behaviors is a question with implications for safety-net program design across agencies and conditions. In November 2025, a federal government shutdown-related delay in SNAP benefit issuance created an unexpected gap in food resources for millions of Americans. This disruption offered a rare opportunity to examine these health consequences in real time. Most evidence about SNAP and health comes from studies of routine benefit disbursement. The SNAP benefit amounts frequently fall short of monthly household needs, producing predictable within-month patterns of relative adequacy after benefit receipt, followed by increasing scarcity as benefits are depleted—termed the “SNAP cycle.” Studies have shown that food spending, caloric intake, food quality, and certain health outcomes vary across the SNAP cycle, underscoring how benefit timing functions as a structurally imposed rhythm that shapes day-to-day decisions about food, finances, and health. Our prior research has documented that the SNAP cycle imposes dual cognitive and financial burdens of managing chronic diseases, with food and financial scarcity at the end of the benefit cycle adversely impacting disease management. Much less is known about what happens when SNAP is disrupted entirely. The few existing studies of prior SNAP disruptions have focused on food security, spending behavior, or participant experiences, with limited attention to health management or clinical outcomes. Food insecurity has been shown to impact chronic disease management through multiple pathways. Many people report poor tolerability of medications on an empty stomach, and patients may delay or skip doses if food is unavailable. Beyond this direct mechanism, theories of scarcity and cognitive function suggest that poverty and resource constraints impose a “bandwidth tax,” consuming cognitive capacity and executive function in ways that can undermine planning, decision-making, and the maintenance of beneficial routines, even among individuals who are aware of and motivated to sustain them. Consequently, managing chronic health conditions in the context of food insecurity requires not only adequate food intake but also the cognitive capacity to maintain consistent routines, anticipate future needs, and navigate complex systems of care.