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, smell, or taste carbon monoxide. But if you breathe too much of it, it can become deadly within minutes. So be sure you know the signs of carbon monoxide poisoning, what to do if you have the symptoms, and how to keep it from happening.arbon monoxide poisoning happens when you breathe too much carbon monoxide. Carbon monoxide is a gas produced by burning any type of fuel-gas, oil, kerosene, wood, or charcoal.