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Author Question: Closed-ended questions: a. restrict responses to a fixed set of alternatives. b. limit responses ... (Read 91 times) |
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.