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What percent of computer users experience eyestrain and headaches?
Wiki User
∙ 12y ago
Depends on the users in question. Generally this number can be from the 40s-50s though if they practice good egronomics it can be reduced. Also the question seems to be copied directly from an "Egronomically Correct" worksheet.
Wiki User
∙ 12y ago
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What is a headache called if you only suffer from it once or twice a month in a certain season but it isn't allergies?
Cluster Headaches: They are called cluster headaches because the attacks come in groups. The pain arrives with little, if any, warning, and it has been described as the most severe and intense of any headache type. It generally lasts from 30 to 45 minutes, although it might persist for several hours before it disappears. Unfortunately, it can reoccur later in the day. Most sufferers experience one to four headaches a day during a cluster period. Cluster headaches frequently surface during the morning or late at night; the cluster cycle can last weeks or months and then can disappear for months or years. Clusters often occur during spring or autumn and, thus, are often incorrectly associated with allergies. Approximately 10 percent of the sufferers, however, experience chronic cluster headaches that occur all year long. It is estimated that less than one percent of the population are victims of cluster headaches, and they encounter the headache somewhere between the ages of 20 and 45. More men (about five to one) than women suffer from cluster headaches.
What are the symptoms of polio?
Hello,Symptoms of polio include sore throat, a fever, and nausea. However 95 percent of people that get infected with the virus don't experience any symptoms.your nerves are penitratednasea-as in vomiting muscel aches paralisis fever headaches and loads of ishy stuff.
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What percentage of the world do kids do homework on the computer?
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