|
|
The horizontal fraction bar was introduced by the Arabs.
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).
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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.
![The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_09_20852677.jpeg)
![Development encompasses both gains and losses. Sometimes a health crisis (loss) can result in a heal](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_40_219691194.jpeg)