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Mitral valve prolapse can lead to blood leaking in the heart where it's not supposed to. Learn what you need to know about mitral valve prolapse.

Car testing is done by automakers to spot and fix design flaws before they go into mass production. Learn how car testing works in this article.

Dog parks are as diverse as the breeds that use them. Learn all about dog parks in this article from Animal Planet.

The Abruzzo wine region is among Italy's best. Learn all about the Abruzzo wine region at HowStuffWorks.

Wine can have a multitude of different wine notes as the result of its production. Learn how to distinguish wine notes in this article.

Bacterial skin infections are common skin problems. Learn more about bacterial skin infections at HowStuffWorks.

Stickam is a social networking site that lets you share broadcasts of yourself with your friends. See how Stickam works.

These 10 daily skincare essentials will help keep your skin healthy. Learn the 10 daily skincare essentials at HowStuffWorks.

Are social networking sites addictive? Find out if sites like Twitter and Facebook and other social networking sites are addictive.

The term toxic mold is a little confusing. Check out this article to learn how to test for toxic mold and what makes mold toxic versus non-toxic.

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