The study team, from the University of California Medical Center. Los Angeles (UCLA Medical Center)
In the USA tested cannabis to patients who have brain injuries the 3 year long list of 446.
The Group has found a positive marijuana test results. 97.6 percent of survivors from the surgery.
While patients with a negative test result with marijuana Has survived from 88.5 percent of surgery.
By this piece of research published in the journal American Surgeon.