Video credit: UCalgaryMedicine
In this video Dr. Matt Hill talks about traumatic stress, whether it was due to physical assault, sexual assault, car accident, a natural disaster, war or any case. Matt Hill has a primary interest in understadning mechanisms epxosed to stress and the causes and changes in nerual function, particularly in anxiety disorders.
Statistics seem to predict that roughly seven out of ten people are about 70% of the general population in North America will be exposed to some form of a traumatic stress in their lifetime, but only 10% of these people will develop post traumatic stress disorder. He have been involved in studies on the function of psychiatric conditions such as depression and PTSD and the relationship between those and the endocannabinoid system.
Matt Hill explains that the brain is very complex in the sense that, what’s different in the brain of someone who has PTSD versus someone that doesn’t? and why some people developPTSD and others don’t?
Dr Hill believes that they are halfway through research in trying to figure out these answers, but the issue is that we don’t know which people are vulnerable to developing PTSD. He explains in detail about the “decision maker of the brain” the amygdala.
A study was done in Chicago, where researchers placed patients in a brain scanner, and had them look at images that contains weapons, car accidents, and other content that would turn the amygdala on. They gave patients THC (Tetrahydrocannabinol) – one of 113 cannabinoids identified in cannabis before the test. So by showing images that would stimulate the amygdala that helps generate anxiety, this didn’t happen due to THC, which proves that THC has the ability to reduce activity in the amygdala.
A research was carried out on Canadian veterans, where half of them where given synthetic THC and the other half were given placebo. The ex veterans who had taken placebo still continued to have PTSD side effect, and 9 out of 10 ex veterans who took synthetic THC said that they were doing better.