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Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The average adult has about 21 square feet of skin.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.