In this edition of Grab Bag, Alex Hutchinson and Matt Laye join us as we try an find out the truth behind:

• Over breathing?
• Can we become so efficient that we are burning less energy than a sedentary person?
• Is there a benefit to stretching?
• How does your microbiom affect health?
• Can smiling improve performance?
• Do we have limits to the number of calories we can process?

Links that of stuff we talked about:

• Stronger by Science Podcast
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6934128/
• https://www.nejm.org/doi/full/10.1056/NEJMra1907805
• https://www.ncbi.nlm.nih.gov/pubmed/31872558
• https://www.ncbi.nlm.nih.gov/pubmed
• term=gut%20microbiota%20fermentation%20determines%20the%20efficacy%20of%20exercise%20for%20diabetes%20prevention&cmd=correctspelling

Matt Laye is an endurance athlete and PhD in medical physiology and an assistant professor of health and human performance at The College of Idaho.  Matt is a coach at Sharman Ultra and a regular contributor to Ultrarunning Magazine, 

Visit Matt's Blog: Laying It Down

Follow Matt on Facebook and on Twitter

Alex Hutchinson is an avid runner and author.  We did a series of podcasts on his book, Endure: Mind, Body and the Curiously Elastic Limits of Human Performance 

• What Defines our Limits - with Alex Hutchinson

Follow Alex on Twitter

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