3. Premenstrual syndrome (PMS), IBS, and Crohn’s
Ladies, this one’s for you! Just like marijuana is used to treat irritable bowel syndrome, it can be used to treat menstrual cramps and discomfort. Using marijuana for PMS actually goes back to the days of Queen Victoria, long before Midol existed. Marijuana also stops the nausea, abdominal pain and diarrhea associated with IBS and Crohn’s.