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Did you know?
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.
Did you know?
There are more bacteria in your mouth than there are people in the world.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Cyanide works by making the human body unable to use oxygen.