Food insecurity, a complex issue affecting millions worldwide, encompasses both physical unavailability of food and lack of economic resources to obtain it. From mild concerns about running out of food to severe cases of skipping meals, it impacts individuals and communities in developed and developing nations alike. Poverty, climate change, conflict, and gender inequality are key drivers of hunger and malnutrition. These factors limit access to resources, disrupt food systems, and perpetuate cycles of food insecurity. Understanding these causes is crucial for developing effective strategies to address this global challenge.