Sasaks, a people of the Indonesian archipelago, cope with one of the country's worst health records by employing various medical traditions, including their own secret ethnomedical knowledge. But anxiety, in the presence and absence of illness, profoundly shapes the ways Sasaks use healing and knowledge. Hay addresses complex questions regarding cultural models, agency, and other relationships to conclude that the ethnomedical knowledge they use to cope with their illnesses ironically inhibits improvements in their health care.