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Cyanide works by making the human body unable to use oxygen.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.