|
|
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
There are 20 feet of blood vessels in each square inch of human skin.
![Filter in the vena cava prevents an embolus from traveling to the heart, lungs, or brain; A, Greenfi](https://biology-forums.com/gallery/47/medium_18099_24_10_12_3_18_58.jpeg)
![An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th](https://biology-forums.com/gallery/47/medium_18099_24_10_12_3_25_25.jpeg)