What is Marijuana?Marijuana is a combination of shredded leaves, stems and flower buds of the Cannabis sativa plant.The intoxicating chemical in marijuana is tetrahydracannabinol, or THC. Marijuana can be smoked, eaten, vaporized, brewed and even taken topically, but most people smoke it. to understand better read
20 Cool Fact About Marijuana
What Mr. President Obama has said ?
"As has been well documented, I smoked pot as a kid, and I view it as a bad habit and a vice, not very different from the cigarettes that I smoked as a young person up through a big chunk of my adult life,"
How cannabis is consumed ?
How marijuana affects the mind
Marijuana and teens
American Cancer Society
Respiratory Effects of Marijuana (University of Washington)
National Institutes of Health