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Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Video: Five phases of cardiac cycle & Atrial contraction

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