Former Army Colonel Tony Gauvain, who set up the charity 'PTSD Resolution' after leaving the Armed Forces, has been speaking to Forces TV.
Kate Wathall began by asking him if he'd noticed any difference in the number of cases coming to him.
If you think you or a loved one might be suffering from symptoms of PTSD, contact either of the charities below.
Help line and enquiries 0300 302 0551
24hr Helpline: 0800 138 1619
General Enquiries: 01372 587 000
NHS Veterans' Healthcare