Cyanide works by making the human body unable to use oxygen.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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There are approximately 3 million unintended pregnancies in the United States each year.
Pap smear. Cells of the cervix (shown in the center) change in appearance as they progress through
True-color image of layers of haze in Titan's atmosphere.
A healthy diet is made up of well-balanced nutrients.