This document defines and describes cabin fever, including its symptoms, causes, risk factors, and treatments. Cabin fever is defined as a state of anxiety, restlessness, and boredom arising from prolonged confinement in a remote or isolated place. It affects passengers on long ship voyages, people in geographically snowed-in areas, prisoners in solitary confinement, and those living far from the equator. Common symptoms include restlessness, irritability, excessive sleeping, carbohydrate cravings, and thoughts of suicide or violence. Risk factors include being female, family history of depression or bipolar disorder, and living far north. Recommended treatments involve exercise, light therapy, and maintaining a healthy diet.