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

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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

Check out Sweat Science

EP 455: Grab Bag with Alex Hutchinson and Dr. Matt Laye

Trail Runner Nation