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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.