During middle childhood, medical conditions are common and medical conditions are rare.

During middle childhood, acute medical conditions are common and chronic medical conditions are rare.

Middle childhood is the period of time in which a child is learning basic skills and this period can bring many changes to life. It is the period of time from age 6 to 12.

Acute medical condition refers to a normal, small sudden damage, like cut. But chronic medical condition is severe and long term.