Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Smoking also increases risk for tuberculosis, certain eye diseases, and problems of the immune system, including rheumatoid arthritis.
Secondly, does smoking have any benefits?
Research conducted among smokers has shown that cigarette smoking (or nicotine administration) has several benefits, including modest improvements in vigilance and information processing, facilitation of some motor responses, and perhaps enhancement of memory131″133.
By the one-day mark, you’ve already decreased your risk of heart attack. This is because of reduced constriction of veins and arteries as well as increased oxygen levels that go to the heart to boost its functioning.
Likewise, what happens if you smoke for 5 years?
After 5–15 years: The risk of mouth, throat, esophagus, and bladder cancer is reduced by half. After 10 years: The risk of lung cancer and bladder cancer is half that of someone who currently smokes. After 15 years: The risk of heart disease is similar to that of someone who never smoked.
Which parts of the human body are affected by tobacco?
Most people know smoking can cause cancer. But it can also cause a number of other diseases and can damage nearly every organ in the body, including the lungs, heart, blood vessels, reproductive organs, mouth, skin, eyes, and bones.