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Author Question: A medical study examined data on patients with cardiovascular disease who were currently non-smokers ... (Read 3686 times) |
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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There are 60,000 miles of blood vessels in every adult human.
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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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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.