Microbial Identity, How Much of You is You?

On the human body as an “ecosystem”

If you were asked to describe yourself in 50 or so well-chosen words, you might well list some of your qualities (e.g. curiosity, sociability, etc.), maybe also your work or interests, perhaps a few words on your ethnicity, nationality, or gender, as part of who you are. You would probably not, however, describe yourself as a colony of organisms or as a…