UCLA study shows adverse effects of air pollution on births in Los Angeles County

August 26, 2007

FINDINGS: Women who lived in regions with high carbon monoxide or fine-particle levels -- pollution caused mainly by vehicle traffic -- were approximately 10 to 25 percent more likely to have a preterm baby than women who lived in less polluted areas. This was especially true for women who breathed polluted air during the first trimester or during the last months and weeks of pregnancy.

IMPACT: Air pollution in Los Angeles County remains a major public health problem that affects everybody, particularly pregnant women. This study provides further facts to policymakers to weigh the costs and benefits of reducing air pollution, both in terms of dollars and human health.

AUTHORS: Dr. Beate Ritz, professor of epidemiology at the UCLA School of Public Health; Michelle Wilhelm; Katherine J. Hoggatt; and Jo Kay C. Ghosh.

JOURNAL: The study appears in the American Journal of Epidemiology, online at http://aje.oxfordjournals.org/cgi/content/full/kwm181?ijkey=j6AzexduCMu2zhG&keytype=ref.

BACKGROUND: The first large-scale air pollution study of its kind, this study collected detailed information on more than 2,500 women who gave birth in 2003. Through personal interviews, researchers were able to determine the risks due to air pollution separate from other risk factors, such as smoking, exposure to secondhand smoke and alcohol use. This work follows two earlier studies that only used information from birth certificates to link air pollution to low birth weight and preterm birth. This latest research factored out other possible explanations, such as smoking, and included specific information on where women spend their time--outdoors, at home, in the car, at work, etc.--which would affect how much polluted air they breathe.

FUNDING: Funding from the National Institute of Environmental Health Sciences, and partial funding from the Southern California Environmental Health Sciences Center, supported the research.

University of California - Los Angeles

Related Smoking Articles from Brightsurf:

Smoking rates falling in adults, but stroke survivors' smoking rates remain steady
While the rate of Americans who smoke tobacco has fallen steadily over the last two decades, the rate of stroke survivors who smoke has not changed significantly.

What is your risk from smoking? Your network knows!
A new study from researchers at Penn's Annenberg School for Communication found that most people, smokers and non-smokers alike, were nowhere near accurate in their answers to questions about smoking's health effects.

Want to quit smoking? Partner up
Kicking the habit works best in pairs. That's the main message of a study presented today at EuroPrevent 2019, a scientific congress of the European Society of Cardiology (ESC).

Smoking and mortality in Asia
In this analysis of data from 20 studies conducted in China, Japan, South Korea, Singapore, Taiwan and India with more than 1 million participants, deaths associated with smoking continued to increase among men in Asia grouped by the years in which they were born.

Predictors of successfully quitting smoking among smokers registered at the quit smoking clinic at a public hospital in northeastern Malaysia
In the current issue of Family Medicine and Community Health, Nur Izzati Mohammad et al. consider how cigarette smoking is one of the risk factors leading to noncommunicable diseases such as cardiovascular and respiratory system diseases and cancer.

Restaurant and bar smoking bans do reduce smoking, especially among the highly educated
Smoking risk drops significantly in college graduates when they live near areas that have completely banned smoking in bars and restaurants, according to a new study in the American Journal of Epidemiology.

How the UK smoking ban increased wellbeing
Married women with children reported the largest increase in well-being following the smoking bans in the UK in 2006 and 2007 but there was no comparable increase for married men with children.

Smoking study personalizes treatment
A simple blood test is allowing Vanderbilt University Medical Center (VUMC) researchers to determine which patients should be prescribed varenicline (Chantix) to stop smoking and which patients could do just as well, and avoid side effects, by using a nicotine patch.

A biophysical smoking gun
While much about Alzheimer's disease remains a mystery, scientists do know that part of the disease's progression involves a normal protein called tau, aggregating to form ropelike inclusions within brain cells that eventually strangle the neurons.

A case where smoking helped
A mutation in the hemoglobin of a young woman in Germany was found to cause her mild anemia.

Read More: Smoking News and Smoking Current Events
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.