Learn more about how common house flies eat (and poop), plus what’s really going on when one of them ends up in your dinner.

What happens when a fly lands on your food? Flies don't have teeth or jaws to chew, so in order to feed, they release digestive enzymes onto the food to dissolve it and then suck up this liquid ...

When they land on solid food, they regurgitate saliva on it. The saliva liquefies the food for them to drink. But if fly vomit isn't bad enough consider this: Flies enjoy eating more than what's ...