Eradicating dangerous bacteria may cause permanent harm
Researcher urges immediate investigation of widespread antibiotic use and overuse
2011-08-25
(Press-News.org) New York, August 25, 2011 – In the zeal to eliminate dangerous bacteria, it is possible that we are also permanently killing off beneficial bacteria as well, posits Martin Blaser, MD, Frederick H. King Professor of Medicine, professor of Microbiology and chair of the Department of Medicine at NYU Langone Medical Center. His commentary is published in the August 25 edition of the journal Nature.
Dr. Blaser sounded the alarm to the medical community and to the general public, that the widespread use of antibiotics may be having unintended consequences causing permanent changes in the body's protective, friendly flora and causing harm to the body's natural defense system. This may be even more dangerous to health than the creation of resistant "superbugs," which have garnered much attention over the last few years.
By the time a child in the US or other developed countries reaches the age of 18, s/he has already had on average 10-20 doses of antibiotics. These are in addition to the antibiotics that may be given to women while they are pregnant, and which may affect the normal bacteria that mothers transmit to their children.
The discovery and use of antibiotics has helped to increase life expectancy. However they are non-discriminatory and destroy even friendly bacteria, not just harmful ones. Scientists have found that some of the beneficial bacteria may never recover and that these extinctions may lead to increased susceptibility to infections and disease. As a result, antibiotic use could be contributing to the increases in obesity, allergies and asthma, inflammatory bowel disease, and type 1 diabetes that are occurring throughout the developed world.
Dr. Blaser urges physicians to curtail the use of these drugs immediately, and recommends that narrow spectrum, and more targeted drugs be used in their place. To be successful, this shift will require a significant effort to develop new antibacterials and new diagnostic tests that will permit the use of targeted agents.
"I believe that doctors of the future will be replacing "lost" members of our normal flora in young children to diminish the risk of development of these important and chronic diseases," said Dr. Blaser.
INFORMATION:
About NYU Langone Medical Center
NYU Langone Medical Center, a world-class, patient-centered, integrated, academic medical center, is one on the nation's premier centers for excellence in clinical care, biomedical research and medical education. Located in the heart of Manhattan, NYU Langone is composed of three hospitals – Tisch Hospital, its flagship acute care facility; the Rusk Institute of Rehabilitation Medicine, the world's first university-affiliated facility devoted entirely to rehabilitation medicine; and the Hospital for Joint Diseases, one of only five hospitals in the nation dedicated to orthopaedics and rheumatology – plus the NYU School of Medicine, which since 1841 has trained thousand of physicians and scientists who have helped to shape the course of medical history. The medical center's tri-fold mission to serve, teach and discover is achieved 365 days a year through the seamless integration of a culture devoted to excellence in patient care, education and research. For more information, go to www.NYULMC.org.
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[Press-News.org] Eradicating dangerous bacteria may cause permanent harm
Researcher urges immediate investigation of widespread antibiotic use and overuse
