Definition & Meaning of "anxiety"

What is "anxiety"?

Anxiety, as a mental illness, involves extreme and constant worry or fear about everyday situations. People with anxiety often feel nervous, restless, or tense, and may experience physical symptoms like a fast heartbeat, sweating, and trouble sleeping. This condition can interfere with daily activities and can be triggered by specific events or occur without an obvious cause. Treatment usually includes therapy, medication, and lifestyle changes to help manage the symptoms and improve quality of life.