Interesting study, but the article is incorrect when it says it has "proven effective at treating tenacious gut infections". If you click on the link you'll see

Interesting study, but the article is incorrect when it says it has "proven effective at treating tenacious gut infections". If you click on the link you'll see it is an open-label trial. Results from placebo controlled trials weren't quite so good: https://news.ycombinator.com/item?id=10679067 https://news.ycombinator.com/item?id=10679067