Why is it hard for smokers to participate in sports activities?

Inhaling tobacco smoke decreases lung power. Users experience shortness of breath, and are unable to perform as many tasks as nonsmokers. Young people who smoke particularly have a hard time keeping up in sports activities, because they quickly lose their breath.

Ready...Set...BREATHE! Contestants race to inflate a simulated lung, not knowing whether it is connected to the body of a tobacco user. Whoever can fill the lung with air first is the winner!