An analysis of 10,000 scientific studies on marijuana concretely supports only three medical benefits — Quartz

• Helps chronic pain in adults
• Lessens chemotherapy-induced nausea and vomiting
• Relieves some symptoms of multiple sclerosis

• Worsens respiratory problems, such as chronic bronchitis episodes
• Motor-vehicle accidents
• Low birth weight in babies
• Schizophrenia or other psychoses

Source: An analysis of 10,000 scientific studies on marijuana concretely supports only three medical benefits — Quartz