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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Crossing over produces new allelic combinations Crossing over produces new allelic combinations
Faulty outlooping produces F?, an F plasmid that contains chromosomal DNA Faulty outlooping produces F?, an F plasmid that contains chromosomal DNA
Two-dimensional electrophoresis Two-dimensional electrophoresis
Three-dimensional ultrasonography. Three-dimensional ultrasonography.
Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ... Secondary response begins more rapidly after exposure to antigen, produces more antibodies, and ...
Video: Red Blood Cells - Erythropoietin (EPO)

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