Per- and polyfluoroalkyl substances (PFAS) exposure research focuses on the study of human and environmental exposure to a group of synthetic chemicals used in a variety of consumer and industrial products. PFAS have been linked to various health issues such as cancer, immune system dysfunction, and reproductive problems. Research in this area typically involves studying levels of PFAS in individuals and communities, understanding sources of exposure, investigating health effects, and developing strategies for mitigation and regulation. Overall, PFAS exposure research aims to increase awareness of the potential risks associated with these chemicals and inform policies to protect public health and the environment.