Final answer:
The most common psychological disorders in the United States are anxiety disorders, affecting up to 18% of adults annually. They include conditions like OCD, PTSD, and phobias and can lead to significant impairment in daily functioning.
Step-by-step explanation:
The Most Common Category of Psychological Disorders in the United States
The most common category of psychological disorders in the United States is C. Anxiety disorders. These include a range of conditions such as obsessive compulsive disorder (OCD), panic disorders, posttraumatic stress disorder (PTSD), and various phobias. Anxiety disorders affect approximately 18 percent of U.S. adults annually and up to 28 percent over a lifetime, making them the most prevalent mental health concerns in the country.
Anxiety disorders should not be confused with normal feelings of anxiety, which everyone experiences from time to time. True anxiety disorders are characterized by prolonged and excessive worry or fear that persist for several months and can significantly impair an individual’s daily functioning. Unlike momentary anxiety, these disorders require appropriate treatment and management.