What Is Chronic Disease? Exploring Chronic Disease Definitions and Prevalence in the United States

Chronic diseases, like heart disease and diabetes, are among the leading causes of death in the United States, with more than 75% of people diagnosed with at least one chronic condition. This blog provides an overview of the definition of chronic disease, chronic illness and chronic condition, risk factors, and prevalence in the United States, nationally, by state and by subpopulation.