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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Lampreys (sometimes also called lamprey eels) are a family of jawless fish Lampreys (sometimes also called lamprey eels) are a family of jawless fish
Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Examples of intrauterine devices. Examples of intrauterine devices.
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
Video: Causes of Angina

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