Tim does a study to determine whether or not cigarette smoking decreases speed in track runners

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asked Mar 9, 2017 85.7k views

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John Odom · Answer 1 · 2017-03-14T08:04:26+0000

Cigarette smoking decreases speed in track runner, due to the fact that their lungs have black spots. Making it harder for them to breathe. And harder to breathe causing slowing in speed.

Tim does a study to determine whether or not cigarette smoking decreases speed in track runners

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