This article explores the history, current legal status and potential future of marijuana in Japan. It looks at the pros and cons of legalizing marijuana and discusses opinions from experts on the issue. Currently, marijuana is illegal in Japan with penalties including hefty fines or jail time depending on the severity of the offense. There is growing pressure from other countries who have legalized marijuana for medical or recreational use, but the Japanese government appears unwilling to change its stance anytime soon. Cannabis-based medications such as Sativex or Marinol may be prescribed by doctors for certain conditions.