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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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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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There are 60,000 miles of blood vessels in every adult human.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.