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?
The average office desk has 400 times more bacteria on it than a toilet.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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There are 20 feet of blood vessels in each square inch of human skin.
Patient learns to not be afraid
To check pupillary reflexes the nurse first holds the penlight