Physical demands in the mountains can be quite extreme.  Factors like a heavy pack, varying terrain type, heat, weather, smoke, and elevation can wear anyone out.  What's the best way to be resistant to exhaustion in these conditions?  You train for it...   Dr. Brent Ruby joins us again in part two to cover this very topic.  Dr. Ruby's first episode.  Wildland fire nutrition article.  Learn more about Foundations Plus (starts July 2).