But recent studies show that repeated exposure to combat may raise that rate to 6.9%, according to Dr Susanne McGowan, a consultant clinical psychologist with the MoD who uses EMDR therapy.
After a matter of weeks, EMDR began to have an effect, and he was able to share the traumas he had kept locked away for years and return home to Karen and his work.
Despite a number of randomized clinical trials suggesting that EMDR is at least as effective as other commonly accepted therapies for traumatic disorders (i.e. such as post-traumatic stress disorder), it still viewed as a bit of a fringe procedure by many in the mental health field.