Gut Bacteria Exert Mind Control

sciencehabit writes "Hundreds of species of bacteria call the human gut their home. This gut 'microbiome' influences our physiology and health in ways that scientists are only beginning to understand. Now, a new study suggests that gut bacteria can even mess with the mind, altering brain chemistry and changing mood and behavior (abstract)."

chemicals

[Haven]

There is far more serotonin present in your gut than in your skull.