by Stan­ley Falkow — I had a con­ver­sa­tion with some col­leagues last week about "per­son­al­ized med­i­cine," which has been trans­formed now into the term "pre­ci­sion med­i­cine." The con­ver­sa­tion re­volved around what to do about the per­ceived ef­fects of an­tibi­otic treat­ment on the mi­cro­biota of in­di­vid­u­als. How does one treat a pa­tient with­out dis­rupt­ing their…