but there is a new hope in a little known treatment called sgb. ptsd a is often debilitating, often lead to go depression and substance abuse. sgb is an anesthetic injection. commonly used in labor epidurals. that takes about 15 minutes to administer in the neck. relief from symptoms often happens within 30 minutes. 65 patients have 25 states, including vietnam vet raleigh showens. >> if i hadn't had it done, i was at the ends of my rope, i was ready to commit suicide. the procedure is so simple and the results are so great. >> sgb is not backed by the department of veterans affairs for treating ptsd. but chicago doctor says it works in 70% of patients showing at least a 50% improvement in symptoms. >> the wonderful thing about this approach is it's a departure from the usual same old thing, mitigation. it hasn't been very effective, as you know. many times it works in 30 minutes. it works very rapidly. >> and the most marked improvement is in sleep. the nightmares going away. the cost of the injection is approximately $1,000 and is fully covered