Medical News Today: What are anxiety disorders?

Anxiety is a normal emotion that causes increased alertness, fear, and physical signs, such as a rapid heart rate. However, when anxiety reactions become an on-going emotional state or out of proportion to the event that caused it, a person may have anxiety disorder. Read on to learn about the types and treatments.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Anxiety / Stress Source Type: news