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.
Many people know that carbon monoxide is a toxic gas. It is colorless, odorless, and tasteless. Carbon monoxide can be produced from the incomplete combustion of hydrocarbons when oxygen supply is insufficient. Town gas contains 3% of carbon monoxide. If there is gas leakage, carbon monoxide poisoning may occur. Do you know why is carbon monoxide so dangerous? Because carbon monoxide has much higher tendency to bind with hemoglobin in blood than oxygen does.