If the brain can upset the gut, can the gut upset the brain?
Malaria affects over two hundred million people each year and kills nearly one million. So, it's important to find a way to stop the transmission.
Cows, goats, and sheep require symbiotic microbes to help digest the plant biomass that they eat, and some of these microbes make methane.
It would probably make a pretty cheesy horror movie, but the thing is, it's true. In fact, that creature with the extra brain is you.