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 Q: What is Marijuana? Are there different kinds?
A: Marijuana is a green, brown, or gray mixture of dried, shredded leaves, stems, seeds, and flowers of the hemp plant (Cannabis sativa). Before the 1960s, many Americans had never heard of marijuana, but today it is the most often used illegal drug in the United States.
Cannabis is a term that refers to marijuana and other drugs made from the same plant. Strong forms of cannabis include sinsemilla (sin-seh-me-yah), hashish (“hash” for short), and hash oil. All forms of cannabis are mind-altering (psychoactive) drugs; they all contain THC (delta-9-tetrahydrocannabinol), the main active chemical in marijuana. They also contain more than 400 other chemicals.
Marijuana’s effect on the user depends on the strength or potency of the THC it contains. THC potency has increased since the 1970s and continues to increase still. The strength of the drug is measured by the average amount of THC in test samples confiscated by law enforcement agencies. For the year 2006, most ordinary marijuana contained, on average, 7 percent THC.
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Marijuana: Facts for Teens (Revised)
La marihuana - Información para los adolescentes (Versión
Revisada)
Marijuana: Facts Parents Need to Know (Revised)
La marihuana: Lo que los padres deben saber (Versión
Revisada)
These publications may be reprinted without permission.
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