There has been some very interesting and exciting research on this topic. I highly recommend this approach to training for the following reasons, to name just a few:
1. Body fat burning
2. Cardiovascular fitness
3. Increases growth hormone production
4. Increases metabolism http://www.greatist.com/fitness/interval-training-complete-guide/ Sent from my iPad
2. Cardiovascular fitness
3. Increases growth hormone production
4. Increases metabolism http://www.greatist.com/fitness/interval-training-complete-guide/ Sent from my iPad
Drjimcares's Blog 