The marijuana drug which people usually smoke The marijuana drug which people usually smoke comes from the Cannabis plant. Parts of the plant used to create the drug are the leaves, seeds and the flowers. It can be used for leisure and in recent studies has been utilized and approved for medical reasons. In resin form, it's named as hashish and is a potent psychoactive drug. This kind has more or less around 60 cannabinoids alone. All marijuana plants contain a compound known as TCH or the ...