Marijuana is the common way to refer to a class of drugs called cannabinols. The cannabinols include marijuana (grass, pot, weed, joint, reefer, dube), hashish, Charas, Bhang, ganja, and sinsemilla. The active ingredient is delta-9-tetrahydrocannabinol (THC). Hashish and Charas have a THC content of 7% to 14%; ganja and sinsemilla, 4% to 7%; and bhang and marijuana, 2% to 5%. However, modern growing techniques have increased the THC content of marijuana sold illicitly. For simplicity, the various forms of cannabinols will be referred to as marijuana.

The earliest references to the drug date back to 2700 Be. In the 1700s, the hemp plant (cannabis sativa) was grown in the colonies for its fiber, which was used in rope. Beginning in 1926, states began to outlaw the ...

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