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Did you know?
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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.