
Tobacco smoking
Burning tobacco and inhaling the smoke

Burning tobacco and inhaling the smoke
Tobacco smoking is the practice of burning tobacco and the absorption of the resulting smoke into one's body. The smoke may be inhaled, as is done with cigarettes, or released from the mouth, as is done with pipes and cigars. The practice is believed to have begun as early as 5000–3000 BC in Mesoamerica and South America. Tobacco was introduced to Eurasia in the 17th century by European colonists, where it followed common trade routes. The practice encountered criticism from its first import into the Western world onward but embedded itself in certain strata of several societies before becoming widespread upon the introduction of automated cigarette-rolling apparatus. Smoking is the most common method of consuming tobacco, and tobacco is the most common substance smoked. The agricultural product is often mixed with additives and then combusted. The resulting smoke, which contains various active substances, the most significant of which is the addictive psychostimulant drug nicotine (a compound...
Read on Wikipedia · Image Susanne Nilsson, CC BY-SA 2.0
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