Add Yahoo as a preferred source to see more of our stories on Google. So, what breeds are black and white cats? While there aren’t any breeds that are exclusively black and white, many cat breeds with ...

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Prefer Newsweek on Google to see more of our trusted coverage when you search. Silky and soft to touch, long-haired cats often make the most snuggly friends. Adoption rates at U.S. animal shelters ...

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Cats are intelligent and spunky creatures, forever keeping owners on their toes with their shenanigans. Along with an array of quirky cat behaviors and catlike charms, kitties also sport a variety of ... While cats might not have a catchy catchphrase like "man's best friend" to their credit, there is no denying the allure of having a fluffy, docile, companion around—especially in times like these. Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn white then blue.

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Depending on your skin color, these color changes may be harder or easier to see. The affected areas may feel cold and numb until blood flow improves, usually after warming up. Wolff-Parkinson-White (WPW) syndrome is a heart condition present at birth. That means it's a congenital heart defect. Researchers aren't sure what causes most types of congenital heart defects. WPW syndrome may occur with other congenital heart defects, such as Ebstein anomaly.

Rarely, WPW syndrome is passed down through families. You could have white coat hypertension. This means your blood pressure is higher at a healthcare professional's office than in other settings, such as at home. It's called white coat hypertension because people who measure blood pressure sometimes wear white coats.