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Devra Davis, Ph.D.
Devra Davis PhD MPH is President of Environmental Health Trust, Environmental Health Trust, a nonprofit devoted to researching and controlling avoidable environmental health threats, Author of The Secret History of the War on Cancer and other books, and Fellow in the American College of Epidemiology; she served as Founding Director of the Board on Environmental Studies of the U.S. National Academy of Sciences Davis is recognized internationally for her work on environmental health and disease prevention. A Presidential appointee that received bi-partisan Senate confirmation, Dr. Davis was the Founding Director of the world’s first Center for Environmental Oncology and is currently Visiting Professor of Medicine, The Hebrew University Hadassah Medical School and Ondokuz Mayis University, Samsun, Turkey. National book award finalist, for When Smoke Ran Like Water, 2002, she lectures at universities in the U.S. and Europe and was the recent winner of the Carnegie Science Medal in 2010 and the Lifetime Achievement Award from Green America in 2012. Her 2007 book, The Secret History of the War on Cancer, details the ways that public relations strategies have undermined public health. Disconnect: The Truth about Cell Phone Radiation and Your Health, what the Industry has Done to Hide it, and What You Can Do to Protect your Family, Line was published in the U.S. and U.K. by Dutton, 2010, and has been released in Australia, India, Turkey, Taiwan, Finland, Estonia, China, and as a book on tape. Awarded the Silver Medal from Nautilus Books for Courageous Reporting and picked by Amazon editors as a top pick of 2014. Fellow in the American College of Epidemiology; she served as Founding Director of the Board on Environmental Studies of the U.S. National Academy of Sciences Her research has appeared in major scientific journals. Her research has been featured on CNN,, CSPAN, CBC, BBC, and public radio, and numerous blogs.

Entries by Devra Davis, Ph.D.

Cancer a Roll of the Dice? WHO Says Not!

(0) Comments | Posted February 9, 2015 | 5:05 PM

The new year began with comforting reports assuring us that cancer is due to bad luck. Johns Hopkins researchers concluded that up to two out of every three cancers could be tied chiefly to how many stem cells divide within an organ. They advise expanding screening programs...

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The Connection Between Air Pollution and Cell Phones You've Never Heard About

(21) Comments | Posted December 7, 2014 | 5:19 PM

In the 21st century, "show me the bodies" seems like a cruel and outdated foundation for public policy. Yet history is littered with examples -- like tobacco and asbestos -- where only after the death toll mounts is the price of inaction finally understood to exceed that of action.

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Public Health Impacts of Wireless Radiation -- Flying Blind

(16) Comments | Posted July 7, 2014 | 11:11 AM

As uses and users of wireless transmitting devices are skyrocketing in our homes, schools and even our national parks, one would think that scientific research on the human health and environmental implications of wireless electromagnetic radiation would be exploding with fierce competition. Yet as I write this blog fresh from...

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An Open Letter to President Obama: Consider the Full Costs of Wireless Technology

(10) Comments | Posted May 14, 2014 | 1:48 PM

Before this nation makes Wi-Fi in schools like it is in coffee shops, as the president recently urged, we need to consider what this could do to our children's brains and bodies. Three years ago the World Health Organization declared cell phone and other wireless radiation a "possible...

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War-Gaming Cell Phone Science Protects Neither Brains Nor Private Parts

(2) Comments | Posted May 21, 2013 | 1:20 PM

In science news as in life, timing is everything. As soon as the World Health Organization International Agency for Research on Cancer expert review declaring cell phone radiation a "possible human carcinogen" -- just like lead, DDT, and jet fuel -- was drafted in 2011, the global multi-trillion...

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Cicadas and Cell Phones: Welcome to the 21st Century

(6) Comments | Posted April 30, 2013 | 11:52 AM

What does the Federal Communication Commission (FCC) have in common with the cicada bug? They both follow 17-year cycles. In 1996, the first and last time the agency considered standards for cell phones, cicada carcasses clogged Washington, D.C. streets, a stamp cost 32 cents and there was no email. Its...

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The World Is Watching San Francisco on Cell Phones

(5) Comments | Posted April 19, 2013 | 2:11 PM

Three years ago, San Francisco passed the Cell Phone Right to Know Act, requiring phone sellers to tell consumers about safer uses of phones prior to purchasing them. At that time, Israel, U.K. and France had taken similar steps and the average age at which a child got a cell...

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More Inconvenient Truths About Cell Phone Radiation

(29) Comments | Posted August 3, 2011 | 4:33 PM

Are children really safe using cell phones? That's how industry-affiliated scientists interpret a widely publicized report in the Journal of The National Cancer Institute. Further, are cell phone users spared from health risks? That's what a recent report in Fortune magazine deduces based on the absence of a...

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Beyond Brain Cancer: Other Possible Dangers Of Cell Phones

(4) Comments | Posted June 15, 2011 | 6:04 PM

In a nearly unanimous decision, 31 expert advisers to the World Health Organization (WHO) last week stunned the world's 5 billion cell phone users and declared radiofrequency and electromagnetic radiation a "possible" cause of brain cancer. Microwave radiation from cell phones joins a list of well-reviewed cancer-causing agents,...

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Cell Phone Radiation: Is It Dangerous?

(51) Comments | Posted March 1, 2011 | 7:20 AM

New studies by the acclaimed chief of the National Institute of Drug Abuse, psychiatrist Nora Volkow show that just 50 minutes of cell phone radiation excites the brain. This important finding strengthens the need for a major research program on cell phones and health, for revamping approaches to...

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Cell Phones and Brain Cancer: The Real Story

(203) Comments | Posted May 22, 2010 | 1:17 PM

The long awaited World Health Organization Interphone study of more than 5,000 brain tumors that occurred between 2000-2004 and cell phone use failed to deliver a knock-out punch. This thirteen country report found what every study that has ever examined people who have used phones for a decades or more...

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Cell Phones -- Read the Fine Print

(0) Comments | Posted March 8, 2010 | 12:30 PM

Last week the technology world stood on notice as a fiercely independent state legislator, Democrat Andrea Boland, bucked the Maine political establishment and proposed to place visible warning labels directly on cell phones. "Cell phones emit electromagnetic radiation, exposure to which may increase the risk of brain cancer. Users, especially...

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South Africa's Environment and Human Rights--the next revolution

(0) Comments | Posted February 17, 2010 | 2:26 PM

From afar, South Africa remains a fascinating country that managed to avoid a bloody civil war through an extraordinary reconciliation process. South Africa today looks a lot more like a rainbow than it did twenty years ago when it freed Nelson Mandela and thousands of other political prisoners. Whites, blacks...

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Climategate Is a Smokescreen

(14) Comments | Posted December 16, 2009 | 11:24 AM

The climate change deniers claim that stolen emails from British scientists regarding tree rings and temperature change show that science does not support global warming. In fact, when you get right down to it the big picture on climate remains precisely what the Associate Press and and the Obama...

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Brain Cancer and Cell Phones: The Jury is Still Out

(3) Comments | Posted December 7, 2009 | 2:22 PM

According to headlines trumpeted around the world, cell phones are safe.  This reassuring conclusion rests on an analysis of trends in brain cancer in Scandinavian countries up to 2003 which did NOT tie these trends in any way to actual patterns of use of cell phones.  


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The Secret History Of Mammography

(108) Comments | Posted November 24, 2009 | 10:30 AM

Mammography is one of the most oversold and understudied technologies in medical history. To continue to assert that mammography will save lives flies in the face of huge numbers of studies on the topic.  Individual doctors treat individual women but do not and cannot study the patterns of disease in...

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Cell Phones: Damaging The Brains Of Children?

(2) Comments | Posted November 16, 2009 | 2:44 PM

Over the last two months, a marked shift has occurred in the public's perception about the risks of cell phones.

In early September, an International Expert Conference on Cell Phones and Health convened in Washington, D.C., to examine the issue. Experts from the conference testified in a special hearing on...

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