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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
There are 20 feet of blood vessels in each square inch of human skin.
Blood is approximately twice as thick as water because of the cells and other components found in it.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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