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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
There are 60,000 miles of blood vessels in every adult human.
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