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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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The human body produces and destroys 15 million blood cells every second.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.