What you ate is often to blame, but infections and medications can play a role, too.

Say you own a tabby cat and a Siamese. You check the litter box and find some of the stool firm and brown, while the rest is soft and red – a sign of possible disease. Which cat, you wonder, has the ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Here at Health, we wanted to get to the bottom of ...