PTSD is more common in men.

About 8 million adults have PTSD during a given year.

PTSD can only be diagnosed in combat veterans.

PTSD symptoms may not appear until months or years after the traumatic event.

The four main symptoms of PTSD include: avoiding situations that remind you of the event, reliving the event, negative changes in beliefs and feelings, always alert and on the lookout for danger.

PTSD often occurs with depression, substance abuse, or other anxiety disorders.

There are no effective treatments for PTSD.

Everyone who experiences a traumatic event will develop PTSD.