Young Americans continue to be the most likely to use social networks, according to the survey, with 90 percent of those 18 to 29 reporting that they use at least one social site. However, growth in usage by young adults started tapering off in 2010, while use by older people has surged.
A carbon monoxide blood test is used to detect poisoning from breathing carbon monoxide. You might have this test if you have been exposed to the gas or if you have unexplained symptoms, such as: 1  Headache, dizziness, or vision problems.  Nausea or vomiting.
you can t see or smell carbon monoxide but at high levels it can kill a person in minutes carbon monoxide co is produced whenever any fuel such as gas oil kerosene wood or charcoal is burned if appliances that burn fuel are maintained and used properly the amount of co produced is usually not hazardousou can t see or smell carbon monoxide but at high levels it can kill a person in minutes carbon monoxide co is produced whenever any fuel such as gas oil kerosene wood or charcoal is burned if appliances that burn fuel are maintained and used properly the amount of co produced is usually not hazardous