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Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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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.

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When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

A fixed action pattern elicited by a sign stimulus. A fixed action pattern elicited by a sign stimulus.
Summation of Heart Sounds, Fixed Splitting of S2 Summation of Heart Sounds, Fixed Splitting of S2
Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ... Antineutrophil cytoplasmic antibody staining patterns. Indirect immunofluorescence of ethanol-fixed ...
Price of Computers, 1982–2010 Price of Computers, 1982–2010
Blood Supply to the Lungs Blood Supply to the Lungs
Suppose a country imports televisions. The country's supply and demand curves are shown in ... Suppose a country imports televisions. The country's supply and demand curves are shown in ...
Video: Introduction to Spirometry

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