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Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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

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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Resource partitioning among five species of warblers feeding in North American spruce trees. Resource partitioning among five species of warblers feeding in North American spruce trees.
Blood supply to the pituitary gland Blood supply to the pituitary gland
Elastic cartilage Ear Elastic cartilage Ear
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Who's Policing the Food Supply? Who's Policing the Food Supply?
Growth of a Renewable Resource Growth of a Renewable Resource
Video: Blood Pressure Measurement

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