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Author Question: What percentage of human cancers have been traced to infectious agents, primarily viruses, ... (Read 154 times) |
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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The average office desk has 400 times more bacteria on it than a toilet.