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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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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.

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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.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

The subculture that centers around tattooing previously existed on the fringes of society, with ... The subculture that centers around tattooing previously existed on the fringes of society, with ...
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