It found MODERATE EVIDENCE for Benefits:
• Improving short-term sleep outcomes in individuals with sleep disturbance associated with obstructive sleep apnea
syndrome, fibromyalgia, chronic pain, and multiple sclerosis (cannabinoids, primarily nabiximols).
• No increased risk of lung cancer or head and neck cancer.
• Improved airway dynamics with acute use, but not with chronic use.
• Improvements in respiratory symptoms with cessation of smoking cannabis.