This study, which aimed to identify the effects of smoking on the cardiorespiratory capacity
of active and passive smokers, found significant difference between active smokers and nonsmokers. Nevertheless, we found no difference between active and passive smokers. VO
2max
was negatively correlated with age, %F and WC. In contrast, there was no significant
correlation between the level of physical activity and VO
2max
, although sedentary people
showed lower maximum oxygen consumption than the more active ones. Because the
literature on passive smokers is limited, more studies on the effects of passive smoking on
cardiopulmonary fitness are necessary and justified