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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Video: Stomach peristalsis & Enterogastric reflex

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