Our bodies are teeming with viruses. But some of them, called phages, might play a really important role in keeping us healthy. Guest: Tom Ireland, author of The Good Virus For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexplainable And please email us! unexplainable@vox.com We read every email. Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices