Local Area Networks. Local area networks (LANs) are used to connect networking devices that are in a very close geographic area, such as a floor of a building, a building itself, or a campus environment. Wide area networks (WANs) are used to connect LANs together.
Antidepressant medicines, which are usually used to treat depression, can be effective in preventing chronic tension headaches. Antidepressants have some pain-relieving properties and may reduce how often headaches occur and how long they last.
Medications are used both to relieve pain and to prevent headaches if you have chronic tension headaches. To relieve pain: Over-the-counter (OTC) analgesics -- are usually effective. Do not take these medications for more than a few days without calling your doctor, and take only the amount recommended on the package.