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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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The horizontal fraction bar was introduced by the Arabs.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
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Video: Subunits of DNA And Semi Conservative Replication

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