What defines a chronic disease?

A chronic disease is characterized by its duration, specifically lasting longer than 3 months. This extended timeframe distinguishes chronic diseases from acute illnesses, which are typically severe but of short duration. Chronic diseases often develop gradually and can be persistent or lifelong, affecting an individual's overall health and quality of life.

The nature of chronic diseases means they can include conditions such as diabetes, heart disease, and arthritis, which may require ongoing management but are not expected to resolve quickly as acute diseases do. This distinction allows healthcare professionals to categorize diseases accurately, which is crucial for determining appropriate treatment plans and interventions. Understanding this definition helps in public health initiatives focused on prevention, management, and education related to chronic diseases.