The first of these terms refers to the clustering of diseases in populations and the biological interaction of diseases in individual bodies. Moreover, the term syndemics also points to the determinant importance of social conditions in disease concentrations, interactions, and health consequences. In syndemics, the interaction of diseases or other adverse health conditions commonly arises because of adverse social conditions (e.g., poverty, exploitation, stigmatization, oppressive social relationships) that put socially devalued groups at heightened risk. The term oppression illness refers to the internalization of social discrimination and the health consequences of coming to accept one does not deserve to be healthy. The term pluralea refers to the adverse intersection of environmental crises and their health effects.