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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.