Age:

Year(s) of smoking:

Gender:

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You are a 25 years old male with 2 years of smoking.

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Oxygen-rich blood is required to perform well in physical activites.

Smoking will result in decrease of oxygen in blood and will make it more difficult for you to do well in sports and other daily activities, such as walking up stairs.

Number of studies have found that smokers reach exhaustion before non-smokers.