Stress is a condition that affects the body and mind. It can be linked to situations such as schoolwork, changes, or pressure. People of all ages can experience stress.

Stress may be short-term, such as before a test, or longer-lasting in ongoing situations. It can be studied by observing behavior or measuring physical responses. Stress appears in many parts of daily life.

Stress is studied in psychology and medicine. It is part of health and wellbeing research.