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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
The human body produces and destroys 15 million blood cells every second.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

