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Tobacco |
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Tobacco was long used by various indigenous groups that lived in the Americas. The Columbian exchange introduced tobacco to the Europeans, and it became an addictive, lucrative and heavily traded commodity. Following the Industrial Revolution, cigarettes became hugely popular worldwide. In the mid-20th century, medical research demonstrated severe negative health effects of tobacco smoking such as lung cancer, which led to governments adopting policies to force a sharp decline in tobacco use.