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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

The Type C killer whale The Type C killer whale
An onager, one type of wild ass An onager, one type of wild ass
Geoffroy's tamarin (Saguinus geoffroyi), also known as the Panamanian, red-crested or rufous-na Geoffroy's tamarin (Saguinus geoffroyi), also known as the Panamanian, red-crested or rufous-na
A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves. A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves.
Chemical bonds join atoms into molecules Chemical bonds join atoms into molecules
Video: Power Supply Polyacrylamide Gel Protein Sample

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