Cannabis, whose botanical name is Marijuana, itís been used by human beings for thousand of years. In 20th century, it was declare as illegal drugs by most of the countries. But from the past two decades, there have been several movement raised to legalize cannabis, first and foremost for medical use. In the month of November 2010, people of California will vote on an election measure, which would legalize its tax and outright as well the normalize use of cannabis (marijuana). You can get more detail on http://www.marijuanadoctorco.com.