Sometimes, dogs do strange things. Beyond rolling in mud puddles or biting themselves, your pet might drink from toilets or lick its butt. In other cases, it may eat its own poop or, worse, the poop ...

Now, Dr Trisha Pasricha, a physician and scientist at Harvard Medical School, is sharing what 'weird' poop colours could mean for your health. In her column Ask a Doctor at The Washington Post, she ...