If you feel like someone is lying, even if you have no logical reason to think so, they probably are. It turns out your gut is much better at detecting lies than your brain.  Studies show you’re more successful at determining whether someone is lying when you jump on your first instinct, because having too much time to think about it can make you wrong more often.  (, , )
Twice as many soldiers died from disease than battle injuries during the American Civil War.  Dysentery and chronic diarrhea were so prevalent that there was an honor code among soldiers – you couldn’t shoot a man while he was pooping.  (, , )