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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
![Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_28_17_223661853.jpeg)
![At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da](https://biology-forums.com/gallery/47/medium_6_24_08_15_12_36_52_224132038.jpeg)