| An agricultural product that is processed from the | | | | cancer, increased risk for stomach cancer, bladder |
| leaves of plants in the genus Nicotiana is named | | | | cancer, mouth and throat cancer, cervical cancer, |
| tobacco. Tobacco is burned and the vapours are | | | | and pancreatic cancer. Tobacco usage is linked to |
| either savoured or inhaled. The practice of | | | | about one third of all cancers and 90% of lung |
| tobacco smoking began way back since 5000 - | | | | cancer cases are caused by smoking. |
| 3000 BC. Tobacco affects almost every organ of | | | | Chronic obstructive pulmonary disease (COPD) is |
| the human body. According to surveys, the usage | | | | also caused by smoking. COPD refers to severe |
| of tobacco is the leading preventable cause of | | | | lung damage. Smoking results in reduced blood |
| death worldwide, resulting in about 6 million deaths | | | | circulation and blood vessel narrowing in the body. |
| every year. Second-hand smoke which is also | | | | Oxygen levels in the body are deprived, thus |
| known as environmental tobacco smoke (ETS), | | | | increasing risk of heart disease. Non-smokers are |
| results in approximately 3000 lung cancer deaths | | | | 25% more likely to develop heart diseases |
| yearly in non-smokers. Second-hand smoke is | | | | because of being exposed to second-hand smoke. |
| exhaled by smokers at the end of the burning | | | | Besides, the risks for stroke and developing |
| cigarette. In fact, smokeless tobacco consumers | | | | cataracts are doubled by smoking. Additional |
| and cigar smokers have the similar health risks as | | | | health risks are also posed for women. Risks for |
| cigarette smokers. | | | | rheumatoid arthritis (RA) leads to osteoporosis, |
| Cigarette smoking causes both short-term and | | | | thus increases the chances of spine and hip |
| long-term effects. Short-term smoking effects | | | | fractures in women having post menopause. |
| include frequent respiratory illnesses such as | | | | Smoking habits during pregnancy increases the |
| pneumonia, bronchitis, coughs, and colds. Children | | | | baby's health risks and results in low birth weight, |
| and youths that are exposed to second-hand | | | | premature birth, or respiratory illnesses. |
| smoke are more prone towards asthma, lower | | | | Cigarette smoking must be prevented and can |
| respiratory infections, and ear infections. | | | | only be accomplished with every individual's |
| Long-term smoking effects are widespread. | | | | realisation towards smoking effects and through |
| Numerous diseases linked to smoking include lung | | | | their own strong will to quit smoking. |