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Author Question: Lack people recognized long before most white northerners that the fate of the Union was ... (Read 96 times) |
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).
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
There are more bacteria in your mouth than there are people in the world.
The average office desk has 400 times more bacteria on it than a toilet.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.