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e. Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of a person. Most commonly, the substance used is the dried leaves of the tobacco plant, which have been rolled with a small rectangle of paper into an elongated cylinder called a cigarette.
A diagram of the human body showing cancers and chronic diseases caused by smoking. Tobacco products, especially when smoked or used orally, have serious negative effects on human health. [1] [2] Smoking and smokeless tobacco use is the single greatest cause of preventable death globally. [3]
Cigarette smoking is the leading cause of preventable death in the United States, accounting for approximately 443,000 deaths, or 1 of every 5 deaths, in the United States each year. [6] Cigarette smoking alone has cost the United States $96 billion in direct medical expenses and $97 billion in lost productivity per year or an average of $4,260 ...
Tobacco use is a cause or risk factor for many deadly diseases, especially those affecting the heart, liver, and lungs [2] as well as many cancers. In 2008, the World Health Organization named tobacco use as the world's single greatest preventable cause of death. [3] In Minas Gerais, Brazil.
Smoking cessation, usually called quitting smoking or stopping smoking, is the process of discontinuing tobacco smoking. [1] Tobacco smoke contains nicotine, which is addictive and can cause dependence. [2] [3] As a result, nicotine withdrawal often makes the process of quitting difficult. Smoking is the leading cause of preventable death and a ...
Tobacco smoking is the practice of burning tobacco and ingesting the resulting smoke. The smoke may be inhaled, as is done with cigarettes, or simply released from the mouth, as is generally done with pipes and cigars. The practice is believed to have begun as early as 5000–3000 BC in Mesoamerica and South America. [1]
The history of smoking dates back to as early as 5000 BC in the Americas in shamanistic rituals. With the arrival of the Europeans in the 16th century, the consumption, cultivation, and trading of tobacco quickly spread. The modernization of farming equipment and manufacturing increased the availability of cigarettes following the ...
The prevalence of tobacco use was generally lower among those with higher education levels. Adults aged 18–24 years were at 24.4% and 25–44 years were at 24.1%, which were the highest prevalence indicators. The prevalence of current smoking was higher among adults living below the poverty lineat 29.9% than among those at or above the ...