Ted Dinan, the psychiatrist who coined the term “psychobiotics,” was fascinated by a tragedy in Walkerton, Canada, in May 2000. Floods caused the small town’s water supply to be overrun with dangerous strains of two bacteria: Escherichia coli and Campylobacter. About half the town’s population got ill, and a handful of people died. For most residents, the illness was short-lived, about 10 days on average, says Dinan, who collaborates with Cryan at University College Cork. But years later, scientists who had been following the health of Walkerton residents noticed something surprising. “The rates of depression in Walkerton were clearly and significantly up,” Dinan says. That spike raised suspicion that the infection had caused the depression.WHAT?! Read more in Science News.
Thanks, +Jason Ethier