Dr. Lennie’s program of research focuses on the development of interventions to promote self-management of prevention and treatment of cardiovascular disease with a particular interest in optimizing nutritional intake. Current lines of research include (1) determining the psychological, social, biological, and environmental factors that influence food choice; (2) identifying the ideal diet for patients with heart failure, including appropriate level of dietary sodium and (3) helping people use new technology to increase their ability to self-manage cardiovascular disease prevention and treatment.