cannabis: Quick Facts

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The Information Architects of Encyclopaedia Britannica

Last updated

Nov. 12, 2026

News •

The curious case of ancient cannabis use • Nov. 5, 2026, 10:00 PM ET (Washington Post)

Seeds, preserved hair in tomb point to oldest signs of cannabis high 2,800 years ago, study suggests • Nov. 5, 2026, 5:59 PM ET (Boston Herald)

More former law enforcement and military personnel are turning to cannabis transport careers • Oct. 27, 2026, 5:04 PM ET (CBS)

Upper endoscopy patients who inhale cannabis may need more anesthesia than edible users • Oct. 18, 2026, 5:50 PM ET (Medical Xpress)

Facts

Also Known As	Cannabis

Photos and Videos

Dense field of industrial hemp plants with green, serrated leaves stretching to the horizon under an overcast sky.

Edible hemp seed

Using saliva to test for marijuana use

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Topics

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Venus's-flytrap. Venus's-flytrap (Dionaea muscipula) one of the best known of the meat-eating plants. Carnivorous plant, Venus flytrap, Venus fly trap

Plants: From Cute to Carnivorous