Climate to COVID, global to local, policies to people: a biopsychosocial ecological framework for syndemic prevention and response in behavioral medicine.

Land development, pollution, and waste have affected natural environments, contributing to hurricanes, wildfires, and pandemic infectious diseases like COVID-19. Globalized corporate food systems that produce ultra-refined foods with low nutritional value contribute to both environmental conditions and health conditions like obesity and undernutrition. This has the greatest impact on communities already suffering from elevated health risks driven by economic inequities rooted in racism.