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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
![Digital rectal exam (DRE). The physician’s index finger is inserted into the rectum and pressed agai](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_32_06_9724697.jpeg)
![This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_27_03_22383854.jpeg)