|
|
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
![Volvulus. A volvulus results when the small intestine twists, causing an obstruction that can lead t](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_54_96901380.jpeg)
![The continents were not always in their present positions. The position of the continents is importa](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_34_205791994.jpeg)
![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)