Marijuana. It is arguably one of the most controversial plants in the entire planet. Some say that Marijuana first came to be in ancient Asia, and was then reproduced in all countries around the world. Cannabis is it's scientific name, but many Marijuana users call it other things like pot, weed and stone. Marijuana also has a variety of different uses. It has been used in the medical world quite often, but some also use it for recreational purposes. Other than the usual and popular way of ...