A ‘Stupidity’ Virus Has Been Discovered

This may explain a lot. Click title for link.

While the virus is found in freshwater, there was no indication the only people who had it were swimmers and boaters. “These are agents that we carry around for a long time and that may have subtle effects on our cognition and behavior,” Yolken told Healthline. "We're really just starting to find out what some of these agents that we're carrying around might actually do.”