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However, after its discovery, tobacco imported from Spanish Latin America became a lucrative and heavily traded commodity, supporting the popular habit of smoking. The arrival of Europeans and the introduction of tobacco played a significant role in colonization and the introduction of African slave labor.
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.
The first research of smoking in Sweden was performed in 1946; it showed that 50% of men, and 9% of women were smokers. In 1977 41% of men and 32% of women were smokers. [46] By 2011, the use of smoking tobacco on a daily basis had decreased to only 12.5% among men and 14.3% among women.
The report's conclusions were almost entirely focused on the negative health effects of cigarette smoking. It found: cigarette smokers had a seventy percent increase in age-corrected mortality rate; cigarette smoke was the primary cause of chronic bronchitis; a correlation between smoking, emphysema, and heart disease. In addition, it reported:
A pack-year is a clinical quantification of cigarette smoking used to measure a person's exposure to tobacco. This is used to assess their risk of developing lung cancer or other pathologies related to tobacco use. However, it is difficult to rely on the assessment based on the pack-year due to the different nature of the packaging by different ...
Smoking in the Americas probably had its origins in the incense-burning ceremonies of shamans but was later adopted for pleasure or as a social tool. [21] The smoking of tobacco and various hallucinogenic drugs was used to achieve trances and to come into contact with the spirit world. [22] Also, to stimulate respiration, tobacco smoke enemas ...
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.
The pattern of smoking among youth has had a slightly different trajectory, such that smoking rates for high school students began to increase in the early 1990s and did not begin to decrease until the end of the decade. [6] If the current smoking trends continue, 5.6 million youths alive today will die prematurely. [7]