Abigail Tucker, author of "The Lion in the Living Room," explains toxoplasmosis, a parasite found in cat feces. In some instances, it can cause birth defects or enable mental health issues rage ...

Cats usually catch the lungworm by eating infected rodents or birds (for most species — although one parasite species can also be picked up from cat poop). Once they’ve been eaten, the ...

In the ongoing battle between cat-lovers and dog-lovers, dog people have a hefty weapon in their arsenal: a bizarre, mind-controlling parasite you can catch by cleaning your cat's litterbox.

Toxoplasma gondii is infamous for its ability to manipulate the behavior of its host—most notably by making rodents less afraid of cats, helping the parasite complete its life cycle in feline ...