Social media is full of juice cleanses, detox teas, charcoal pills, and more promising to purge the body of mysterious toxins and return it to a purer state. January arrives with a familiar hangover. Too much food. Too much drink. Too much screen time. And suddenly social media is full of green juices, charcoal supplements, foot patches, and seven-day “liver resets,” all promising to purge the body of mysterious toxins and return it to a purer state.