Anxiety is a state of dread, tension, and unease. It is
considered a normal response to stress or uncertain situations.
Feeling anxious for long periods of time or at intense levels
may mean that you have an anxiety disorder. You may be diagnosed
with an anxiety disorder if the anxiety: - Occurs without an
external threat (called "free-floating" anxiety) - Is excessive
or unreasonable for the situation or threat - Negatively affects
how you function during the day The most common types of anxiety
disorders are: - Specific phobias - Post-traumatic stress
disorder (PTSD) - Panic disorder - Obsessive-compulsive disorder
(OCD) - Social anxiety disorder - Generalized anxiety disorder
Anxiety disorders may result from a combination of factors, such
as: - Factors in the environment Chemical imbalances in the
brain (e.g., serotonin, norepinephrine) may also play a role.
Factors that may increase the risk of anxiety disorders include:
- Sex: female - Family member with anxiety disorders - Stressful
life events - Poor