According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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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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The average adult has about 21 square feet of skin.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth
Mars oppositions from 2003-2018, viewed from above the ecliptic with the Earth centered