|
|
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
![The female reproductive system, sagittal view showing organs of the system in relation to the urinar](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_48_02_8245921.jpeg)
![The postoperative client supports an incision with a folded pillow when taking a deep breath and cou](https://biology-forums.com/gallery/47/medium_18099_26_09_12_4_42_16.jpeg)