Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
Funeral Rituals and Practices among U.S. Cultural Groups