Food security refers to the ability of individuals and communities to access, afford, and consume an adequate amount of healthy and nutritious food. This research area focuses on understanding the various factors that contribute to food insecurity, such as poverty, food production and distribution systems, climate change, and socio-economic inequalities. Researchers in this field work to develop strategies and policies to address food security issues at local, national, and global levels, with the ultimate goal of ensuring that all individuals have access to safe and nutritious food to meet their dietary needs and promote overall health and well-being.