The National Health Council (NHC) is a nonprofit association of health organizations. Its members are national health-related organizations, including leading patient advocacy groups such as the American Cancer Society, the American Heart Association, the American Diabetes Association, and the Alzheimer's Association. Founded in the 1920s, the organization is headquartered in Washington, DC. Its activities include strengthening the work of patient advocacy organizations, developing public awareness and advocacy programs, supporting health research, and influencing the health care reform debate.