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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi
Amazing NASA Pictures Collection Amazing NASA Pictures Collection
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Vacutainer evacuated specimen tubes with Hemogard closure blood collection tubes. Vacutainer evacuated specimen tubes with Hemogard closure blood collection tubes.
Video: Exocytosis - secretion

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