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Author Question: A home care nurse finds a patient lying on the floor. The patient is not breathing. Her response is ... (Read 36 times) |
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.