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The effects vary depending on how frequently and for how many years a person smokes. Smoking earlier in life and smoking cigarettes higher in tar increase the risk of these diseases. Additionally, environmental tobacco smoke, known as secondhand smoke, has manifested harmful health effects in people of all ages. [10]
The smoke from tobacco elicits carcinogenic effects on the tissues of the body that are exposed to the smoke. [ 89 ] [ 100 ] [ 94 ] [ 101 ] Regular cigar smoking is known to carry serious health risks , including increased risk of developing various types and subtypes of cancers , respiratory diseases , cardiovascular diseases , cerebrovascular ...
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]
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:
In a house, the tobacco residue of the smoke can build up on surfaces over time. Unfortunately, excess smoke can not be removed just by airing out rooms and opening windows. [7] Scientists have reported that third-hand smoke may cause up to 60 percent of the harm caused by regular exposure to smoke. [8]
The health effects that tobacco smoking has on human health is very well known. Although electronic cigarettes have been studied to be less harmful then tobacco smoking, they still carry risks. [17] Some countries have completely banned electronic cigarettes such as Brazil, Uruguay and India. [17]
Tobacco companies countered that the warnings went far beyond text warnings that had been allowed since 1984, including that smoking causes lung cancer and quitting reduces health risks.
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 ...