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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
Approximately 25% of all reported medication errors result from some kind of name confusion.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
![Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_39_28_18111448.jpeg)
![A biological profile from the bony remains of an individual may be preferable to a DNA profile for a](https://biology-forums.com/gallery/47/medium_273688_23_02_15_8_21_33_20905839.jpeg)