Intense exercise could be damaging lungs

Exercise experts say that if you workout hard, it could be damaging your lungs.

That is because a tougher workout means heavier breathing.

And people who run or bike in areas with heavy traffic, absorb high amounts of toxic chemicals.

Experts say that moving at a slightly slower speed than possibly your typical intense workout, could bring the level of smog you breathe in to a less extreme level.

 

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