1. Marijuana is created from the dried, shredded flowers and leaves of the hemp plant Cannabis sativa.

2. Marijuana is the most common illegal drug used in the United States. Approximately 100 million Americans have tried marijuana at least once, and more than 25 million have smoked it in the last year.

3. According to one national survey on drug use, each day approximately 6,000 Americans try marijuana for the first time.

4. Worldwide, it is estimated that about 162 million adults use marijuana at least once per year, and 22.5 million use the drug daily.

5. After alcohol, marijuana is the most popular recreational or mood-altering drug used worldwide.

6. Just under 40% of high school students in the U.S. report using marijuana at least once in their life, and 20% report using it regularly.

7. According to one report, it would take 800 joints to kill a person—but the cause of death would be carbon monoxide poisoning.

8. There are over 200 slang terms for marijuana in the popular vernacular. Some of the more common nicknames include pot, grass, weed, hash, and ganja.

9. The international and scientific name for marijuana is cannabis. However, the substance is most commonly called marijuana within the United States.

10. The name marijuana comes from a Mexican slang term for cannabis and is believed to have derived from the Spanish pronunciation of the names Mary and Jane. (The two names were also common Mexican military slang for a prostitute or brothel.) Marijuana came into popularity as a name for cannabis in the U.S. during the late 1800s.