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Did you know?
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.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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The familiar sounds of your heart are made by the heart's valves as they open and close.