Diarrhea and stomach pain can happen if you have a heavy intestinal worm infection, like tapeworm. You can check your poop ...

River otter poop is the perfect for Katrina Lohan's research as it contains DNA from worms, fish, and other organisms, including parasites. Image: National Zoo River otters are unequivocally cute. But ...

Have you ever been out on a walk, and as you take that next step, you feel the slippery squish of poop under your foot? It’s not just gross. Beyond the mess and the smell, it’s potentially infectious.