The advantages to a higher intensity exercise definitely outweigh a lower intensity exercise. But you can decide for yourself, I’ve listed some pros and cons below.
High Intensity:
Pros
-Strengths heart
-increases capacity of lungs
-burn more calories faster
-increase metabolism
Here's a different spin on it - Last year, a study done by the University of Colorado showed that obese people may benefit more from walking slower. You can read more about it at ABC News http://abcnews.go.com/GMA/Atio/wireStory?id=912567
