It is known that smoking is a harmful habit, which produces many toxic substances like arsenic, carbon monoxide (it displaces oxygen on hemoglobin in red blood cell, so cells do not get the needed oxygen), butane (in lighter fluid), and tiny glass particles ( which cut up the lungs to improve nicotine delivery). Terribly, these chemicals can cause lung-related disease(such as lung cancer or chronic obstructive pulmonary disease (COPD). Therefore, we must take measures to quit smoking.
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