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Xanthomas are skin lesions that are often a sign of cell dysfunction. Learn more about how xanthomas work at HowStuffWorks.

Looking for facts about GERD? Learn how a healthy digestive system works in the body from Discovery Health.

Golf exercises can add fitness with recreation and improve your game. See the best golf exercises for seniors at Discovery Fit & Health.

What are emotions? What is their purpose? Read this article to learn about emotions and the reasons why we have them.

Why are we violent? Is it something we learn, or are people violent at birth? Find out why we are violent at Discovery Health.

Employment agencies match job searchers with job openings. Visit HowStuffWorks to learn all about employment agencies.

What's a short sale, and why can they take longer to close? Find out about short sales in this article from HowStuffWorks.

Metronomes are devices that provide a steady beat for practicing or playing music. Learn about the types of metronomes and how metronomes work.

Can you turn down the position of maid of honor? Read about the rare occasions you can decline the maid of honor position.

Water-powered clocks are explained in this article. Learn about water-powered clocks.

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