The study was conducted on 19 residents of the Hadarim nursing home in Israel who were between the ages of 69 and 101 and suffered from medical conditions including pain, muscle spasm, tremors and lack of appetite. Participants used medical marijuana (cannabis) in the form of smoke, vapor, oil or powder three times per day. Over the course of a year, participants were monitored for physical improvement and for improvement in quality of life factors such as mood and facility with everyday activities.
Within one year of treatment, 17 of the 19 patients had achieved a healthy weight, with some of the participants experiencing weight gain and the others experiencing weight loss, as needed. Muscle spasms, stiffness, tremors, pain, nightmares, and flashbacks related to post-traumatic stress syndrome (PTSD) were significantly reduced among participants, while sleeping hours were significantly increased. Participants also experienced a significant improvement in mood and in communication skills.