Today is the sixth video and audio-only rebroadcast from the 2013 Huffines Discussion.  Up today in our series is University of Tennessee's Dr. Ed Howley.  Dr. Howley's talk is titled: "How Much Exercise Is Enough?".  Dr. Howley unravels the tangled recommendation for how much exercise you really need.  This is a great talk from one of the legends in Exercise Physiology.  WATCH NOW!  or LISTEN NOW!