A child's IQ can be affected by mother's exposure to urban air pollutants
Tuesday, July 21, 2009 - 18:42
in Physics & Chemistry
A mother's exposure to urban air pollutants known as polycyclic aromatic hydrocarbons (PAHs) can adversely affect a child's intelligence quotient or IQ, a study reports. PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco. In urban areas motor vehicles are a major source of PAHs.