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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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There are 20 feet of blood vessels in each square inch of human skin.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Chemosynthesis-based community on the East Pacific Rise. Chemosynthesis-based community on the East Pacific Rise.
East Siberian Laika East Siberian Laika
Sivapithecus is a Miocene ape (middle) with anatomical similarities to orangutans (left) rather than Sivapithecus is a Miocene ape (middle) with anatomical similarities to orangutans (left) rather than
At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da
Men and women report having fewer days with stressors as they go from middle to older adulthood, and ... Men and women report having fewer days with stressors as they go from middle to older adulthood, and ...
Video: Sperm Formation

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