Kerth O'Brien is interested in social roles, social relationships, and health and well-being. Her research addresses practical questions in community settings from a social psychological perspective. Current research projects address preventive health behaviors, psychological well-being, and patient involvement in health care, particularly with regard to HIV prevention and treatment, and cultural competency in professional care relationships. With her graduate student research team, she is also investigating social psychological aspects of complementary and alternative medicine (CAM).