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Pollution

Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms . Pollution can take the form of chemical substances, or energy, such as noise, heat, or light energy. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues annually a list of the world's worst polluted places. In the 2007 issues the ten top nominees are located in Azerbaijan, China, India, Peru, Russia, Ukraine and Zambia.

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Early-life traffic-related air pollution exposure linked to hyperactivity

Early-life exposure to traffic-related air pollution was significantly associated with higher hyperactivity scores at age 7, according to new research from the University of Cincinnati (UC) and Cincinnati Children's Hospital ...

Attention deficit disorders created May 21, 2013 | popularity not rated yet | comments 0 | with audio podcast

New rice contamination reported in China

Authorities are investigating rice mills in southern China following tests that found almost half of the staple grain in one of the country's largest cities was contaminated with a toxic metal.

Health created May 21, 2013 | popularity 5 / 5 (1) | comments 0

Study finds air pollution and noise pollution increase cardiovascular risk

Both fine-particle air pollution and noise pollution may increase a person's risk of developing cardiovascular disease, according to German researchers who have conducted a large population study, in which both factors were ...

Health created May 20, 2013 | popularity not rated yet | comments 0

Prenatal exposure to traffic is associated with respiratory infection in young children

Living near a major roadway during the prenatal period is associated with an increased risk of respiratory infection developing in children by the age of 3, according to a new study from researchers in Boston.

Health created May 20, 2013 | popularity not rated yet | comments 0

Exposure to traffic pollution increases asthma severity in pregnant women

Air pollutants from traffic are associated with increased asthma severity levels in pregnant asthmatic women, according to a new study.

Health created May 20, 2013 | popularity not rated yet | comments 0

Cancer and birth defects in Iraq: The nuclear legacy

Ten years after the Iraq war of 2003 a team of scientists based in Mosul, northern Iraq, have detected high levels of uranium contamination in soil samples at three sites in the province of Nineveh which, coupled with dramatically ...

Health created May 21, 2013 | popularity not rated yet | comments 0