|
|
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Medication errors are more common among seriously ill patients than with those with minor conditions.
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.
![Maps are important tools in political science as they help us see relationships between politics and](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_33_48_221781179.png)
![For Gulf War veterans, lack of social support in the field is related to postwar depression. The ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_05_20_275621748.jpeg)
![With the rocker arms contacting the base circle of the cam, insert a feeler gauge of the specified ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_38_42_29746333.png)