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Author Question: Humans react today in ways that helped our ancestors survive and reproduce millions of years ago ... (Read 80 times) |
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.