Post-traumatic stress disorder is not an easy condition to treat. It is tough to deal with and requires a wide range of possible approaches, on an individual's circumstances. Some will be 'cured' relatively easily. Others may take decades to deal with what they have seen or done in war. The symptoms are relatively common across the cases. They involve flashbacks, panic attacks and paranoia. A person's behaviour changes and sufferers can become violent to their loved ones. It destroys lives, often bringing on divorce, bankruptcy and suicide.

America's Department of Veterans Affairs has been caught flat-footed by the flood of sufferers . . .