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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

The general survey includes assessing every patient for signs of distress. The general survey includes assessing every patient for signs of distress.
Flying Horse Poised on One Leg on a Swallow, from the tomb of Governor-General Zhang at Wuwei, ... Flying Horse Poised on One Leg on a Swallow, from the tomb of Governor-General Zhang at Wuwei, ...
Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley. Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley.
How to prove the derivative of the general logarithmic function How to prove the derivative of the general logarithmic function
General Mathematics General Mathematics
General Mathematics General Mathematics
Video: Autonomic Nervous System Animation

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