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The average adult has about 21 square feet of skin.
There are more sensory neurons in the tongue than in any other part of the body.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Excessive alcohol use costs the country approximately $235 billion every year.
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