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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.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.