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Impact Of Swimming In Chlorinated Water


original link: Journal of the American Academy of Pediatrics

By Alfred Bernard, PhD, Marc Nickmilder, PhD, Catherine Voisin, MSc and Antonia Sardella, MD, Department of Public Health, Catholic University of Louvain, Brussels, Belgium

Objective: The goal was to estimate the burden of allergic diseases associated with chlorinated pool exposure among adolescents.

Methods: We examined 847 students, 13 to 18 years of age, who had attended outdoor or indoor chlorinated pools at various rates. Of them, 114 had attended mainly a copper-silver pool and served as a reference group. We measured total and aeroallergen-specific immunoglobulin E (IgE) levels in serum and screened for exercise-induced bronchoconstriction. Outcomes were respiratory symptoms, hay fever, allergic rhinitis, and asthma that had been diagnosed at any time (ever asthma) or was being treated with medication and/or was associated with exercise-induced bronchoconstriction (current asthma).

Results: Among adolescents with atopy with serum IgE levels of >30 kIU/L or aeroallergen-specific IgE, the odds ratios (ORs) for asthma symptoms and for ever or current asthma increased with the lifetime number of hours spent in chlorinated pools, reaching values of 7.1 to 14.9 when chlorinated pool attendance exceeded 1000 hours. Adolescents with atopy with chlorinated pool attendance of >100 hours had greater risk of hay fever (OR: 3.3–6.6), and those with attendance of >1000 hours had greater risk of allergic rhinitis (OR: 2.2–3.5). Such associations were not found among adolescents without atopy or with copper-silver pool attendance. The population attributable risks for chlorinated pool-related ever-diagnosed asthma, hay fever, and allergic rhinitis were 63.4%, 62.1%, and 35.0%, respectively.

Conclusion: Chlorinated pool exposure exerts an adjuvant effect on atopy that seems to contribute significantly to the burden of asthma and respiratory allergies among adolescents.

Cellphones Cause Brain Tumors, Says New Report by International EMF Collaborative

Thanks to Camilla Rees at for the news tip.

Cell Phone

August 25, 2009 – A new report, “Cellphones and Brain Tumors: 15 Reasons for Concern, Science, Spin and the Truth Behind Interphone,” was released today by a collaborative of international EMF activists. Groups affiliated with the report include Powerwatch and the Radiation Research Trust in the U.K., and in the U.S., EMR Policy Institute, and The Peoples Initiative Foundation. Download the report.

The exposé discusses research on cellphones and brain tumors and concludes:

· There is a risk of brain tumors from cellphone use;

· Telecom funded studies underestimate the risk of brain tumors, and;

· Children have larger risks than adults for brain tumors.

This report, sent to government leaders and media today, details eleven design flaws of the 13-country, Telecom-funded Interphone study. The Interphone study, begun in 1999, was intended to determine the risks of brain tumors, but its full publication has been held up for years. Components of this study published to date reveal what the authors call a ‘systemic-skew’, greatly underestimating brain tumor risk.

The design flaws include categorizing subjects who used portable phones (which emit the same microwave radiation as cellphones,) as ‘unexposed’; exclusion of many types of brain tumors; exclusion of people who had died, or were too ill to be interviewed, as a consequence of their brain tumor; and exclusion of children and young adults, who are more vulnerable.

Lloyd Morgan, lead author and member of the Bioelectromagnetics Society says, “Exposure to cellphone radiation is the largest human health experiment ever undertaken, without informed consent, and has some 4 billion participants enrolled. Science has shown increased risk of brain tumors from use of cellphones, as well as increased risk of eye cancer, salivary gland tumors, testicular cancer, non-Hodgkin’s lymphoma and leukemia. The public must be informed.”

International scientists endorsing “Cellphones and Brain Tumors: 15 Reasons for Concern” include Ronald B. Herberman, MD, Director Emeritus, University of Pittsburgh Cancer Institute; David Carpenter, MD, Director, Institute for Health and the Environment, University at Albany; Martin Blank, PhD, Associate Professor of Physiology and Cellular Biophysics, Columbia University; Professor Yury Grigoriev, Chairman of Russian National Committee on Non-Ionizing Radiation Protection, and many others.”

New Report From Public Interest Groups Warns of Risks From Nanomaterials in Sunscreens

Nanotechnology sunscreen

WASHINGTON, D.C. — Friends of the Earth, Consumers Union, and the International Center for Technology Assessment (ICTA) released a report today detailing why consumers should be wary of sunscreens that contain nanomaterials.

Engineered nanomaterials are widely used in sunscreens to make sun-blocking ingredients like titanium dioxide and zinc oxide rub on clear instead of white. These materials have been shown to exhibit different fundamental physical, biological, and chemical properties than their larger counterparts. The report indicates that very few nanomaterials have been adequately tested, though the limited data that is available shows that their small size makes them more able to enter the lungs, pass through cell membranes, and possibly penetrate damaged or sun-burnt skin.

“Nano-sunscreens are being promoted as safe sun protection, but the evidence of potential risk we’ve collected shows otherwise,” said Friends of the Earth’s Health and Environment Campaigner Ian Illuminato, one of the report’s authors. “Consumers must be aware that nanomaterials are being put into sunscreens with very little evidence about their safety and relative efficacy.”

In 2007 Consumer Reports (published by Consumers Union) tested sunscreens containing nanomaterials and found no correlation between their presence and sun protection. Consumer Reports testing found neither nanoscale zinc nor titanium oxides provide a clear and consistent performance advantage over other active ingredients. “Adding nanoparticles to sunscreens means adding an unnecessary potential risk to our health and to the environment, with no significant gain. Why take the chance?” asked Michael Hansen, PhD, co-author of the report and senior scientist at Consumers Union.

Studies have raised red flags about the environmental impacts that may stem from the release of nanomaterials into broader ecosystems. Once released into the environment, many nanomaterials may persist and accumulate as pollutants in air, soil or water. A 2006 study demonstrated that some forms of titanium dioxide nanoparticles (popular ingredients in nano sunscreens) are toxic to algae and water fleas, especially after exposure to UV light. Algae and water fleas are a vital part of marine ecosystems.

“No labeling is required for any product that contains nanomaterials, including sunscreens,” said George Kimbrell, Staff Attorney at ICTA. “Nor are nano sunscreens assessed and approved before being allowed on markets. We need the government to regulate these novel products, including requiring labeling if they are approved so that consumers can make informed choices about what they place on their bodies and their families.”

Nanomaterials reflect a convergence of chemistry, physics, and engineering at the nanoscale to take advantage of unique physical properties associated with chemicals in this small size range. Nanoparticles are measured in nanometers (nm); one nanometer is billionth of a meter. One nanometer is roughly 100,000 times smaller than the width of a human hair.

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Allergies, Asthma and Autism: How Did Our Children Get So Sick?

By Robyn O’Brien via


Since when did it get so hard to be a mom? Ten years ago, we didn’t worry about sending a peanut butter and jelly sandwich into school with our children; we didn’t medicate our eight-year olds to get them through the school day; and the movie Rain Man was all we knew of autism.

Today it is estimated that 50% of Hispanic and African-American children will develop diabetes, that 1 in 90 boys has autism, and that 1 in 4 children has asthma. Pediatrics just reported that from 2002-2005, there was a 103% increase in diabetes medication for children, a 47% increase in asthma medication, a 41% increase in ADHD medication and a 15% increase in high cholesterol medicine.

How did our children get so sick?

As a proud, American mother of four children, I was stunned to learn that there are chemicals that have been added to the U.S. food supply over the last ten years that have either been banned or labeled in countries like Australia, Europe, the UK, Japan….even Russia — because of the health risks they present. I was stunned to learn that no human studies have ever been conducted on the long-term safety of these chemical additives, so our children have literally been engaged in a live human trial for the last ten years without our informed consent!

* Did you know that food additives and dyes have been linked to asthma and ADHD?
* Did you know that insecticides have been engineered into our food supply? Yikes!
* Did you know that there is a synthetic growth hormone introduced into milk in 1994? Yuck!
* Did you know that Kraft doesn’t include Yellow #5 in the mac ‘n cheese boxes they sell overseas?

Did you know that allergies are one of the first indicators that a child’s immune system is compromised? Some might even say that children with allergies are our “canaries in the coalmine,” warning us of how dangerous our food supply has become.

If we stop to listen to these little “canaries,” we can learn a lot! And we can go a long way in protecting the health of our little ones!

If you need a little inspiration or a bit of background information on what’s going on with our food, log onto, search our Resources page, and learn a little (or a lot!) about simple steps that you can take to protect the health of your family. We’ve been featured in the New York Times, on Good Morning America, on CBS News with Katie Couric and in other news media talking about the toxins in our food supply and the impact that they are having on the health of our children (and all of us!).

And feel free to ask me a question. We’ve built out a great team of experts, including pediatricians, scientists, neurologists and researchers from around the world to help you take care of your family!

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