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Author Question: At age 80, approximately how much of the sense of smell is lost? a. 25 percent b. 30 percent c. ... (Read 55 times) |
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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The human body produces and destroys 15 million blood cells every second.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.