Anxiety is a feeling of fear or unease that can be mild to severe. It’s often accompanied by physical symptoms, such as a racing heart and shortness of breath. Anxiety can be caused by many things, including stress, trauma, and genetics.
There are many different types of anxiety disorders. Generalized anxiety disorder (GAD) is the most common type of anxiety disorder. People with GAD have excessive worry about everyday life events and activities.
The National Institute of Mental Health estimates that 18% of adults in the United States experience an anxiety disorder in any given year.