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Dorland’s Medical Dictionary defines a parasite as “a plant or animal that lives upon or within another living organism at whose expense it obtains some advantage.” Insert your white collar ...

When you hear the word "worm," you’ll likely think about the earthworms you find in your garden bed or under a rock you’ve moved in your yard. Worms that inhabit animals, such as dogs and cats, are ...

The best flea and tick treatments for cats help prevent infestations, protect against parasites, and keep your pet healthy year-round.

Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. This ...

Toxoplasmosis is a common infection from the microscopic parasite Toxoplasma gondii. It appears in many species of animals, but cats are the most common that transmit the parasite to humans. Over 40 ...