Q: Which American president admitted to smoking marijuana as a student, saying, "I didn't like it. I didn't inhale and never tried it again"?

A: Bill Clinton

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Did you know that marijuana traces can stay in your saliva for up to 3 days, in your urine for up to 30 days, and in your hair for up to 90 days?

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The first known use of marijuana as a medicinal drug was in 2737 B.C., by the Chinese emperor Shen Nung.

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Mexico and Paraguay are the top biggest producers of marijuana, with 7,400 and 5,900 metric tons manufactured in 2006, according to a UN report.

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Canada was the first country in the world to offer medical marijuana to patients in 2003.

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Did you know that in the 13 American states allow for regulated marijuana use? They are Arkansas, California, Colorado, Hawaii, New Mexico, Oregon, Rhode Island, Vermont, Washington, Nevada, Montana, Michigan, and Maine.

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The first marijuana-related law in the US in 1619 required farmers to grow hemp for use as clothing, sails, and rope.

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The active ingredient in marijuana that has mind-altering effects is called the THC (delta 9 tetrhydrocannabinol).

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Cannabis seeds were considered a food source in China in 6000 B.C.

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Marijuana is the second most commonly used mind-altering substance, next to alcohol.