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Inhalation of tobacco smoke causes several immediate responses within the heart and blood vessels. Within one minute the heart rate begins to rise, increasing by as much as 30 percent during the first 10 minutes of smoking. Carbon monoxide in tobacco smoke exerts negative effects by reducing the blood's ability to carry oxygen. [91]
The 12 new warnings, showing photos of negative effects of smoking, like mouth cancer, impotence and gangrene are rotated every two years, [72] and on 3 November 2016, all cigarette packaging without graphic health warning messages are banned from sale. [71]
The health effects of tobacco had been debated by users, medical experts, and governments alike since its introduction to European culture. [1] Hard evidence for the ill effects of smoking became apparent with the results of several long-term studies conducted in the early to middle twentieth century, such as the epidemiology studies of Richard Doll and pathology studies of Oscar Auerbach.
Smoking has negative health effects, because smoke inhalation inherently poses challenges to various physiologic processes such as respiration. Smoking tobacco is among the leading causes of many diseases such as lung cancer, heart attack, COPD, erectile dysfunction, and birth defects. [1]
In the medium and long run no negative effect was measurable. The results suggest either that the consumption in bars and restaurants is not affected by smoking bans in the long run or that negative revenue effects by smokers are compensated by increasing revenues through non-smokers. [166]
The consumption of tobacco products and its harmful effects affect both smokers and non-smokers, [9] and is a major risk factor for six of the eight leading causes of deaths in the world, including respiratory diseases, cardiovascular diseases, cerebrovascular diseases, periodontal diseases, teeth decay and loss, over 20 different types or subtypes of cancers, strokes, several debilitating ...
There are significant negative health effects from smoking cigarettes such as cancer, chronic obstructive pulmonary disease (COPD), heart disease, birth defects, and other health problems relating to nearly every organ of the body.
These effects come from either hypoxia induced by the cigarette smoke, or the chemical consequences of nicotine. Inhaling cigarette smoke increases blood levels of carbon monoxide which negatively affects oxygenation throughout the body leading to hypoxia. [ 1 ]