Which of the following statements accurately describes research findings involving anxiety disorders?
a. People with anxiety disorders are the least likely to tap into medical services.
b. Approximately 38 percent of the U.S. population will experience an anxiety disorder at some point in their lives.
c. Among the adult population, approximately 25 percent suffer from at least one anxiety disorderin any twelve-month period.
d. Anviety disorders have the earliest age of onset of all mental disorders.