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Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.