The Long-Term Course of Panic Disorder Suggests That It ________

The long-term course of panic disorder suggests that it ________.

A) steadily decreases over time and usually disappears by middle or old age
B) increases in severity until middle age and then begins to gradually decline until it eventually disappears
C) waxes and wanes in severity throughout a person's lifetime
D) gradually,but steadily,increases in severity over a person's lifetime