If you have pets, you know they can create a mess. Some of that mess can be vacuumed up by your Roomba, and some of it will create an absolute disaster if it gets eaten by the robot vacuum. You know what I'm talking about. (I'm talking about poop.)

When kids turn a simple trip to the bathroom into a marathon session, the question shouldn't just be "What are they doing in there?" but "What aren't they doing?"

Travelling really takes it out of you - except when it comes to poop. That can stay with you for days, making your holiday a lot less enjoyable. Here's what causes that constipation frustration, and what you can do to keep that from happening.

Welcome back to our health news roundup! This week we're looking at studies that seem to hold the key to preventing cancer and Alzheimer's, and being a better athlete.

Despite thousands of years of pant-crapping history, there's a surprising amount we don't know about diarrhoea. There's a couple of ways we've figured out how to treat the symptom. But a lot of scientists' understanding of diarrhoea -- from illnesses such as traveller's diarrhoea -- is more based on intuition than data.

Poop can be a sensitive topic for some, but not here at Lifehacker: We have a crap ton to say about the subject, from a simple way to make yourself poop to evaluating the shape and colour of it. Today's poop-related matter? How long it should take to do the deed, according to science.

Video: Some products, like the Squatty Potty, try to convince you that sitting normally on a toilet is actually an impairment when it comes to having a bowel movement. But that's not quite the case.

You might not want to spend too much time with your poop, but it can tell you a lot about your overall health. StoolAnalyzer can help you narrow down what health issues you might be having based on the size, colour, and frequency of your bowel movements.