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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.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
The average office desk has 400 times more bacteria on it than a toilet.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
![Retrograde pyelography (RP). Note the contrasting of the renal calyces, ureters, and bladder followi](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_17_11_9293297.jpeg)
![Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_26_16_94272360.jpeg)