Definition
Food insecurity is limited or uncertain access to adequate food. It has documented consequences for physical, mental, developmental, and social health.
Why it matters
The gut–brain conversation is inseparable from what a person can actually access. Ignoring food insecurity produces incomplete clinical understanding and worse outcomes.
The Science
Food insecurity is associated with higher rates of depression, anxiety, poor sleep, adverse childhood outcomes, and worse chronic disease control. Effects are causal in part, not solely correlational.
The NSI Perspective
NSI treats food insecurity as a nervous-system-level stressor of the highest order — not a lifestyle failure.
Clinical Implications
Screening for food insecurity is standard in trauma-informed and equity-informed primary care. Referral to resources is care.
Practical Application
If your relationship with food has been shaped by scarcity, you are not disordered — you are adaptive. Care should meet you there.
References
- 1.Gundersen C, Ziliak JP. Food insecurity and health outcomes. Health Aff (Millwood). 2015;34(11):1830–1839.