Cannabis is most popularly known as a prohibited drug. Cannabis is most popularly known as a prohibited drug. But, did you know that it can also be used for medical purposes? Yes, it can actually be beneficial in the treatment of different types of diseases, including cancer, ADHD, PTSD, Crohn's disease, Alzheimer's disease, anorexia, nausea, appetite loss, multiple sclerosis, epilepsy, glaucoma, and chronic pains.Cannabis can also be used to make food     But, did you ...