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Author Question: Mrs. Diaz, Mr. Davis, and Ms. Nguyen teach in a local elementary school. They teach kindergarten, ... (Read 358 times) |
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.