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Author Question: The underground economy A) is measured by government officials through tax returns. B) is ... (Read 83 times) |
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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).
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.