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Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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There are 20 feet of blood vessels in each square inch of human skin.

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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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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

The theoretical design of nature reserves, based on the tenets of island biogeography. The theoretical design of nature reserves, based on the tenets of island biogeography.
A hair is an array of many α-keratin filaments, made up of the substructures A hair is an array of many α-keratin filaments, made up of the substructures
Early in the twentieth century, when malnutrition was common, companies such as this one advertised Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Index card tickler file. Index card tickler file.
Have you wondered what Nutella made of! Have you wondered what Nutella made of!
Modern house door design Modern house door design
Video: Pasteur's Experiment

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