“With all the knowledge we’ve gathered, we made the best possible effort to capture all the factors we could imagine, and we could only explain 8 percent of the total variation. It’s very humbling.” The more we learn, the more convinced we are that the microbiome plays a key role in our health (probably both physical and mental). But it’s complicated in there.

+ (Somewhat) related: How laxative teas took over Instagram, one $250,000 celebrity endorsement at a time. (I don’t think anyone who’s consumed a cup of this tea needs a celebrity to assure them of its effectiveness.)

+ You might want to get a second opinion … on the price of your surgery. It could be a lot cheaper one town over.