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Author Question: All old surfaces in the solar system were heavily cratered during the ________________ period by ... (Read 35 times) |
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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The human body produces and destroys 15 million blood cells every second.