|
|
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
![Values, both those held by individuals and those that represent a nation or people, can undergo deep ...](https://biology-forums.com/gallery/47/medium_632960_15_11_16_11_35_21_241311715.png)
![Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ...](https://biology-forums.com/gallery/47/medium_627332_20_11_16_5_14_25.jpeg)