Smoking causes various types of cancers namely; tongue, bladder, ovary, lung, cervix, liver, stomach, esophagus, nose, nasal sinus, pancreas and kidney. Lung cancers is categorized as the most common of all the cancers caused by smoking since it accounts for more than 80% of all lung cancer fatalities worldwide. Tobacco smoke for instance contains over 4000 chemicals; these include carbon monoxide, tar, formaldehyde and nicotine, which are highly addictive and carcinogenic. Marijuana smoke mainly contains 400 chemicals, which are as highly addictive and carcinogenic as well. (Hill, 1983). Smoking is harmful to both the smokers and those around them who end up inhaling secondhand smoke from the smokers, cancer mainly result from an overgrowth of body tissues due to the various form (Proctor, 2004)
Scientist and other medical practitioner have proven beyond any reasonable …show more content…
Apart from the high mortality rate because of smoking, tobacco or marijuana smoking contains several components that are carcinogenic resulting into a wide variety of cancer cases with the lung cancer being the most predominant of the all. Smoking is an expensive affair mainly depending on the smoking habits, addiction levels and the age of starting smoking among other issues, which can result into an expenditure of $ 5040 annually at a consumption of 2 pack