Check out the Questions & answers published by National Cancer Institute   Cannabis helps & it should never have been made illegal   Cannabis and Cannabinoids    Cannabis  , also known as marijuana ,  is a plant grown in many parts of the world which produces a resin  containing compounds  called cannabinoids . Some cannabinoids are psychoactive (acting on the brain and changing mood or consciousness)  (see Question 1 ).  The use of Cannabis  for medicinal purposes dates back to ancient  times (see Question 3 ).  By federal law, the use, sale, and possession of Cannabis  is illegal in the United States. However, a growing number of states and the District of Columbia have enacted laws to legalize medical marijuana (see Question 1 ).  In the United States, Cannabis  is a controlled substance  requiring special licensing for its use (see Question 1  and Question 3 ).  Cannabinoids  are active chemicals  in Cannabis  that cause drug  -like effects throughout  the body,   includi...
The drug war shouldn't exist...