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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).
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.