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Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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There are approximately 3 million unintended pregnancies in the United States each year.

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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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Nasal drug administration Nasal drug administration
) Intradermal drug administration: (d) the needle is removed and the puncture site is covered with ) Intradermal drug administration: (d) the needle is removed and the puncture site is covered with
Selected Drug–Food and Drug–Herbal Interactions Selected Drug–Food and Drug–Herbal Interactions
Look-Alike and Sound-Alike Drug Names Look-Alike and Sound-Alike Drug Names
Drug Naming Drug Naming
Culture and Addiction (2 of 2) الثقافة والإدمان Culture and Addiction (2 of 2) الثقافة والإدمان
Video: Retina

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