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Smoking may have been a human habit for far longer than previously imagined. In a new study, published in Nature Human Behaviour on Monday, archaeologists said they've found evidence that people have been ingesting tobacco as long as 12,300 years ago—a whopping 9,000 years earlier than scientists had thought.

Primarily known today as the stuff that comes inside cigarettes, tobacco is derived from plants in the genus Nicotiana, a member of the nightshade family [...] Native to North and South America, the plant was domesticated by indigenous communities thousands of years ago and often used in religious, medicinal, and ceremonial contexts. [...]