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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
![Draping for a woman’s chest. A. Place a towel over the sheet on the upper chest. B. Hold the towel ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_9_43_30_32972580.jpeg)
![Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_13_07_331431924.jpeg)