You are currently participating in a structured exercise program.

You have severe depression.

You have any history of bipolar disorder, psychotic disorder, or obsessive compulsive disorder.

You have a diagnosis of eating disorder, or substance abuse or dependence (excluding nicotine) within the past six months.

You have any history of a suicide attempt, or are at a significant risk or self-harm or harm to others.

You have ever been diagnosed with organic brain syndrome, mental retardation, or other cognitive dysfunction.

Maximizing Treatment Outcome in Post-Traumatic Stress Disorder (PTSD)