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Author Question: Caffeine initiates its effect by antagonizing adenosine receptors. a. True. b. ... (Read 23 times) |
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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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.