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Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

An example of X-linked inheritance An example of X-linked inheritance
Hairy ears: a phenotype proposed to be Y linked Hairy ears: a phenotype proposed to be Y linked
For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
X-Linked Inheritance in Hemophilia X-Linked Inheritance in Hemophilia
Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1 Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1
Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

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