While you wait for information to be added to this section, you can read up on interval training for heart health here:
http://www.health.harvard.edu/exercise-and-fitness/interval-training-for-a-stronger-heart
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While you wait for information to be added to this section, you can read up on interval training for heart health here:
http://www.health.harvard.edu/exercise-and-fitness/interval-training-for-a-stronger-heart