What is the difference between a disease and a disorder?

A disease is often associated with a specific cause, such as an infection or another harmful agent affecting the body. A disorder describes an abnormal condition or disruption in how the body or mind functions and does not necessarily come from a particular external agent. The other choices incorrectly distinguish them by age, severity, or duration; either a disease or a disorder can affect people of different ages and vary in severity or length.

AI-written and checked against the verified answer.