The study team, from the University of California Medical Center. Los Angeles (UCLA Medical Center)
in USA test marijuana to patients with injuries to the brain 446 cases over a period of three years
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.