Fiona’s parents have been fighting a lot lately. Which symptom is Fiona most likely to experience as a result of her stress response?

Stress can cause physical symptoms such as headaches by increasing muscle tension and changing the body's normal responses. A stuffy nose and fever are more commonly linked to illness or allergies, while sore muscles are possible but headaches are a typical stress symptom. The best choice is headaches.

AI-written and checked against the verified answer.