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Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

An example of a homeostatically controlled variable: blood levels of glucose in a human. An example of a homeostatically controlled variable: blood levels of glucose in a human.
Technology Gives Us Options with Different Environmental Consequences Technology Gives Us Options with Different Environmental Consequences
Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis. Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
Controlled-Release Antimicrobial Drugs Used in Dentistry Controlled-Release Antimicrobial Drugs Used in Dentistry
Pyroclastic Flows Pyroclastic Flows
Video: Introduction to Macular Degeneration

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