Background: Food security, health and well-being for all are the second and third Sustainable Development Goals (SDGs) of the 2030 Agenda set by the United Nations. Although global efforts have resulted in improvements in food security, health and well-being across the world, studies have shown that economic and political crises can rapidly undermine achievements in these areas and prevent countries from reaching both SDGs. However, the literature lacks continuous monitoring of food security, health, and well-being in affected countries; and despite Brazil's food security policies and universal healthcare system are recognized as a model for developing countries, no one has yet investigated the effects of the country's current financial and...