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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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The horizontal fraction bar was introduced by the Arabs.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

The Racker and Stoeckenius experiment showing that an H+ electrochemical gradient drives ATP synthes The Racker and Stoeckenius experiment showing that an H+ electrochemical gradient drives ATP synthes
The declining age of menarche over the past 150 years has been measured in many European countries, The declining age of menarche over the past 150 years has been measured in many European countries,
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
Personal Beliefs Influence Grades Personal Beliefs Influence Grades
Price of Computers, 1982–2010 Price of Computers, 1982–2010
Recently discovered members of the deep pelagic community Recently discovered members of the deep pelagic community
Video: Stroke volume - afterload definition & hypertension

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