♻️ap environmental science review

Stress

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Stress is a physiological and psychological response triggered by external pressures or demands that exceed an individual's ability to cope effectively. It can manifest as feelings of tension, anxiety, irritability, or physical symptoms such as headaches or sleep disturbances.