Army reservist Micah Johnson, 25, had a problem. He kept waking up in the night, dreaming about his buddies being blown up in combat. During the day he was fatigued, unable to focus, demotivated. The army doctor prescribed him the standard PTSD medication as a depression treatment. By the time
Your brain gets all the credit, but those 100 trillion microbes in your gut flip the switches. Find out how beneficial gut bacteria influence how we think.