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luni, 12 decembrie 2011

Football Could Contribute To Strokes In Adolescents

Main Category: Stroke
Also Included In: Sports Medicine / Fitness;  Pediatrics / Children's Health
Article Date: 12 Dec 2011 - 1:00 PST

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Young football players may be at higher risk for stroke, according to a new study released in Journal of Child Neurology (JCN), published by SAGE.

Researchers Dr. Jared R. Brosch and Dr. Meredith R. Golomb looked at various case studies of football players in their teens that suffered a stroke and found some potential causes for strokes in young football athletes. Some of those potential risks include: an increase of hyperventilation, repeated neurological injury, use of anabolic steroids, use of highly caffeinated energy drinks an increase in obesity of young players The authors point out the increase in obesity presents a two-fold risk as it not only increases the force of impacts among the players, but also the likelihood for other stroke risk factors such as hypertension.

"Two of our subjects had mild hypertension, but were too young to have had the many years of exposure that would lead to chronic vascular injury," wrote the researchers.

Looking at the previous research, the authors did conclude that even more investigation was needed to better draw conclusions and best practices for dealing with head trauma and football in children.

"Organized childhood tackle football in the United States can begin at age 5 years, leading to potentially decades of repeated brain injuries. In addition, the body mass index of the United States pediatric football-playing population continues to increase, so the forces experienced by tackled pediatric players continues to increase," wrote Brosch and Golomb. "Further work is needed to understand how repeated high-impact large-force trauma from childhood football affects the immature central nervous system."

Article adapted by Medical News Today from original press release. Click 'references' tab above for source.
Visit our stroke section for the latest news on this subject. "American Childhood Football as a Possible Risk Factor for Cerebral Infarction," in Journal of Child Neurology - available free for a limited time at http://jcn.sagepub.com/content/26/12/1493.full.pdf+html.

SAGE Publications

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vineri, 9 decembrie 2011

Sewage Treatment Plants May Contribute To Antibiotic Resistance Problem

Main Category: Infectious Diseases / Bacteria / Viruses
Also Included In: Water - Air Quality / Agriculture;  MRSA / Drug Resistance
Article Date: 09 Dec 2011 - 1:00 PST

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Water discharged into lakes and rivers from municipal sewage treatment plants may contain significant concentrations of the genes that make bacteria antibiotic-resistant. That's the conclusion of a new study on a sewage treatment plant on Lake Superior in the Duluth, Minn., harbor that appears in ACS' journal Environmental Science & Technology.

Timothy M. LaPara and colleagues explain that antibiotic-resistant bacteria - a major problem in medicine today - are abundant in the sewage that enters municipal wastewater treatment plants. Treatment is intended to kill the bacteria, and it removes many of the bacterial genes that cause antibiotic resistance. However, genes or bacteria may be released in effluent from the plant. In an effort to determine the importance of municipal sewage treatment plants as sources of antibiotic resistance genes, the scientists studied releases of those genes at the Duluth facility.

Although the Duluth facility uses some of the most advanced technology for cleaning wastewater - so-called tertiary treatment - the study identified it as an important source of antibiotic resistance genes. Sampling of water at 13 locations detected three genes, for instance, that make bacteria resistant to the tetracycline group of antibiotics, which are used to treat conditions ranging from acne to sexually transmitted diseases to anthrax and bubonic plague. LaPara's team says their research demonstrates that even the most high-tech sewage treatment plants may be significant sources of antibiotic resistance genes in waterways.

Article adapted by Medical News Today from original press release. Click 'references' tab above for source.
Visit our infectious diseases / bacteria / viruses section for the latest news on this subject. The authors acknowledge funding from the National Science Foundation and the Minnesota Environment and Natural Resources Trust Fund.
American Chemical Society Please use one of the following formats to cite this article in your essay, paper or report:

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View the original article here