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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.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Everyone has one nostril that is larger than the other.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.