Anxiety is a sense of apprehension or fear often marked by physical symptoms such as sweating, headaches, increased heart rate, muscle tension and fatigue. Anxiety becomes a disorder when it causes distress or begins to interfere with everyday functioning. Anxiety disorders include:
- generalized anxiety disorder (GAD)
- obsessive-compulsive disorder (OCD)
- panic attacks
- agoraphobia
- separation anxiety
- social phobias
- specific phobias