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Public smoking bans associated with reduction in premature births and childhood asthma

Rates of both preterm birth and hospital admissions for asthma were reduced by 10 percent following the implementation of laws that prohibited smoking in public places

2014-03-28
(Press-News.org) Boston, MA – In the first comprehensive study to look at how anti-smoking laws are affecting the health of children, researchers from University of Edinburgh collaborated with researchers from Maastricht University, Hasselt University, Harvard Medical School and Brigham and Women's Hospital, to conduct a systematic review and meta-analysis examining the effect of smoke-free legislation on child health. They found that the introduction of new laws that ban smoking in public places in North America and Europe has been followed by a decrease in rates of premature births and hospital visits for asthma attacks in children. These findings are published on March 28, 2014 in The Lancet.

Researchers analyzed 11 studies conducted in North America and Europe that included more than 2.5 million births and approximately 250,000 asthma-related hospital visits. They report that while the impact of anti-smoking laws varies between countries, the overall impact on child health is very positive. Specifically, the data show that rates of both preterm birth and hospital admissions for asthma were reduced by 10 percent following the implementation of laws that prohibited smoking in public places.

"This research has demonstrated the very considerable potential that smoke-free legislation offers to reduce preterm births and childhood asthma attacks. The many countries that are yet to enforce smoke-free legislation should in the light of these findings reconsider their positions on this important health policy question," said Aziz Sheikh, senior author and a physician-researcher at Brigham and Women's Hospital, visiting professor of Medicine at Harvard Medical School and Professor of Primary Care Research and Development at The University of Edinburgh.

According to information in the article, 16 percent of the world's population is covered by smoke-free laws, while 40 percent of children worldwide are regularly exposed to second-hand smoke. Laws that prohibit smoking in public places, such as bars, restaurants and work places, are already proven to protect adults from the health threats associated with passive smoking, but research to date has not systematically evaluated the impact of smoking bans on children.

Passive smoking can cause babies to be stillborn or born prematurely and is linked to certain birth defects, asthma and lung infections. Studies have also suggested that being exposed to second hand smoke during childhood may have long term health implications, contributing to the development of chronic diseases like heart disease and diabetes in later life.

Lead researcher, Dr Jasper Been of the University of Edinburgh's Centre for Population Health Sciences said, "Our research shows that smoking bans are an effective way to protect the health of our children. These findings should help to accelerate the introduction of anti-smoking legislation in areas not currently protected."

INFORMATION:

Brigham and Women's Hospital (BWH) is a 793-bed nonprofit teaching affiliate of Harvard Medical School and a founding member of Partners HealthCare. BWH has more than 3.5 million annual patient visits, is the largest birthing center in New England and employs nearly 15,000 people. The Brigham's medical preeminence dates back to 1832, and today that rich history in clinical care is coupled with its national leadership in patient care, quality improvement and patient safety initiatives, and its dedication to research, innovation, community engagement and educating and training the next generation of health care professionals. Through investigation and discovery conducted at its Biomedical Research Institute (BRI), BWH is an international leader in basic, clinical and translational research on human diseases, more than 1,000 physician-investigators and renowned biomedical scientists and faculty supported by nearly $650 million in funding. For the last 25 years, BWH ranked second in research funding from the National Institutes of Health (NIH) among independent hospitals. BWH continually pushes the boundaries of medicine, including building on its legacy in transplantation by performing a partial face transplant in 2009 and the nation's first full face transplant in 2011. BWH is also home to major landmark epidemiologic population studies, including the Nurses' and Physicians' Health Studies and the Women's Health Initiative. For more information, resources and to follow us on social media, please visit BWH's online newsroom.


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[Press-News.org] Public smoking bans associated with reduction in premature births and childhood asthma
Rates of both preterm birth and hospital admissions for asthma were reduced by 10 percent following the implementation of laws that prohibited smoking in public places