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Health Library
Sickle Cell Disease Quiz
Red blood cells are usually doughnut-shaped. In a person with sickle cell anemia, the red blood cells are shaped like a C--like a sickle.
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Sleep Apnea Quiz
When your sleep is upset throughout the night, you can be very sleepy during the day. Maybe you have sleep apnea.
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Health Library
Sleep: Test Your Knowledge
Why is sleep important? See how much you know about snoozing by taking this quiz.
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Health Library
Sleep Quiz
A good night's sleep—everyone needs it, but not everyone gets it. We stay up late and get up early, and then wonder why we always feel tired. Why is sleep important? See how much you know about snoozing by taking this quiz.
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Health Library
Nicotine-Replacement Therapy Quiz
Here is the latest information about nicotine replacements, inhaler therapy, and other aids that can help you stop smoking.
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Snakebite Quiz
They fascinate. They repel. Some pose a danger. Most are harmless. And whether they are seen as scary creatures or colorful curiosities, snakes play important environmental roles in the fragile ecosystems of the nation's wildlife areas.
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Streptococcal Infections Quiz
Answer this one: If you have a streptococcal infection, what is a good way to prevent its spread?
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Stuttering Quiz
True or false: Stuttering affects 4 times as many males as females.
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Health Library
Dietary Supplement Quiz
Many Americans take vitamins, minerals, or other dietary supplements every day without knowing enough to ensure optimum results.
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