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Author Question: The chief source of Los Angeles air pollution is A) automobile exhaust. B) coal-burning ... (Read 35 times) |
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.