Afflicting 5 in 100 American adults annually, PTSD more often affects women than men and veterans more than civilians.

Bipolar disorder, formerly known as manic depression, is fairly common, with 1 in 100 people diagnosed at some point in their life.

It is estimated that 21 percent of women and 11 percent to 13 percent of men in the United States have dealt with major depression at some point.