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There are approximately 3 million unintended pregnancies in the United States each year.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Cyanide works by making the human body unable to use oxygen.
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