Ruairi Robertson (<a href="https://twitter.com/ruairirobertson" rel="nofollow">https://twitter.com/ruairirobertson</a>) has a pretty good TEDx overview of Elie's work and how it seemed to be an early harbinger of the gut-brain axis <a href="https://www.youtube.com/watch?v=awtmTJW9ic8" rel="nofollow">https://www.youtube.com/watch?v=awtmTJW9ic8</a> from a bout a year earlier than that article.<p>Understanding this space of ideas and how things unfolded in the early 1900s puts a lot of weird ideas into perspective. Kellogg's weird fascination with cleaning out people's rectums with colonic yogurt pumps, for example.