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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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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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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Operator, Repressor Operator, Repressor
Overload Principle Overload Principle
Operator using personal protection equipment. Operator using personal protection equipment.
Structural model of the Cro dimer–operator complex Structural model of the Cro dimer–operator complex
Models of the lac repressor and its binding to operator sites in DNA Models of the lac repressor and its binding to operator sites in DNA
Constitutive operator (OC) mutations Constitutive operator (OC) mutations
Video: Introduction to Sickle Cell Anemia

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