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Author Question: Because of its past colonial relationship, the United Kingdom has a competitive advantage in which ... (Read 31 times) |
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.