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At any given time, millions of people in the U.S. are trying to lose weight. They spend billions of dollars each year on weight-loss products and services. Learn more about diets and weight loss by taking this quiz.
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When you're thirsty for a drink of water, you probably turn on the tap, or open a container of bottled water.
You may take for granted that the water you drink is safe and free of contaminants. But the quality of water--and even its safety--
can vary from place to place, depending on the water source and how it was treated. Find out more about drinking water
by taking this quiz, based on information from the U.S. Environmental Protection Agency (EPA).
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Test your knowledge of fevers and how to treat them.
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Test your knowledge of vaccinations against a variety of diseases
that can affect your child. This quiz is based on information from the Centers for Disease Control and Prevention.
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