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Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
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There are 20 feet of blood vessels in each square inch of human skin.
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The human body produces and destroys 15 million blood cells every second.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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On average, the stomach produces 2 L of hydrochloric acid per day.
![Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su](https://biology-forums.com/gallery/47/medium_12359_26_01_13_4_08_11.jpeg)
![Results from sequential study of two cohorts tested at three ages and at three different points in t](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_43_219751572.jpeg)