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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
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?
Cyanide works by making the human body unable to use oxygen.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%