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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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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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