Air Pollution, Effects on Exercise and Sports

Air pollution is a problem for all, but it can be a particular problem for athletes. During exercise, both the tidal volume (the volume of one breath) and the respiratory rate increase, resulting in a minute ventilation (the amount of air inhaled in 1 minute) of up to 20 times the resting values. Because of increased ventilation, there is greater delivery of air pollutants to the athlete's airway, which magnifies the deleterious impact of airborne toxins. Also, breathing during exercise is largely through the mouth and not the nose; thus, ...

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