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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?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.