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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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Medication errors are three times higher among children and infants than with adults.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.