PTSD (Post Traumatic Stress Syndrome) is an acronym everyone is familiar with these days. As troops subjected to prolonged combat in multiple locations in Iraq, Afghanistan, Syria and elsewhere show the world the grim reminders the toll it takes on the human psyche.

It isn’t anything new, just the name has changed. In World War I, it was known as “shell shock”. In World War II and later its name changed to “combat fatigue”. What hasn’t changed is that is a debilitating disease that affects between seven to eight percent of all adults at one point in the lives. Among the veterans of the recent conflicts in the past decade, those numbers are nearly doubled.

Now doctors at the University College of London and the University of Zurich are trying to break ground in treating PTSD by using a very common antibiotic, doxycycline.

One of the head researchers, Dr. Domenik Bach said “Learning to fear threats is an important ability … helping us to avoid dangers. (But) over-prediction of threat can cause tremendous suffering and distress in anxiety disorders such as PTSD.”