Marijuana is a green, brown, or gray mixture of dried, shredded leave, stems, seeds, and flowers of the hemp plant. You may hear marijuana called by its street names such as pot, herb, weed, grass, boom, Mary Jane, gangster, or chronic. All forms of marijuana are mind-alterning. In other words they change how the brain works. They all contain THC, the main active chemical of marijuana. They also contain more than 400 other chemicals. Marijuana's effect on the user depend on the strength ot potency of the THC it contains.
When exploring take the time to read through the information that you come across.
www.health.org/reality/publications/community/pg18.asp
www.nida.nih.gov/MarijBroch/Marijteens.html
www.health.org/reality/publications/community/pg4.asp
www.usdoj.gov/dea/concern/cannabis.html
www.usdoj.gov/dea/concern/hashish.html
www.usdoj.gov/dea/concern/hashish_oil.html
www.usdoj.gov/dea/concern/marijuana.html
www.usdoj.gov/dea/pubs/states/wisconsin.html
www.1-cannabis-seeds.com/marijuana-law.htm