Medical Cannabis & Ailment Relief The following ailments may benefit from medical marijuana as a treatment for pain relief and discomfort: PainPost-Traumatic Stress DisorderCancerArthritisAlzheimer’sAmyotrophic Lateral Sclerosis (ALS)Cachexia (Wasting Syndrome)Chronic MigrainesGlaucomaHepatitis CHIV/AIDSInsomniaMultiple SclerosisPediatric Autism Spectrum Disorder