Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
Mental illness refers to a wide range of conditions that affect a person's thinking, emotions, behavior, or overall mental well-being. These conditions can vary in severity and may interfere with daily functioning.