Paper #1: Here I propose that the poor muscle composition (muscle that has fat in it) found in older adults may be related to an increased systemic microbial burden:

https://www.ncbi.nlm.nih.gov/pubmed/29030163

 

Paper #2: In this review, we discuss the emerging gut-muscle axis:

https://www.ncbi.nlm.nih.gov/pubmed/29058056

 

If you’re interested, please have a look at my book: