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EMF Glossary Definition

Radio Frequency

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Radio Frequency (or RF), a subset of EMF, encompasses electromagnetic wave frequencies ranging from about 3 kilohertz (kHz) to 300 gigahertz (GHz). These frequencies are extensively used in modern wireless communication technologies, including cell phones, Wi-Fi, and radio and television broadcasting. While the thermal effects of RF—where high levels of exposure can lead to tissue heating—are well-documented and form the basis of current safety standards, there is a growing body of peer-reviewed scientific research suggesting health risks at levels below these thermal thresholds.

Numerous studies have indicated that long-term exposure to low-level RF radiation, even at intensities far below the limits that produce noticeable heating, may have biological effects. These effects include increased oxidative stress, changes in cell metabolism, DNA damage, and a potential increase in the risk of cancer. For instance, research has pointed to a possible association between long-term cell phone use and certain types of brain tumors, such as gliomas. Additionally, studies have suggested alterations in brain activity and sleep patterns, as well as impacts on reproductive health, attributed to prolonged exposure to low-level RF fields. It’s important to note that these findings are part of an ongoing scientific inquiry, with some studies showing significant results while others do not, leading to a continued debate within the scientific community.

Given the ubiquity of RF sources in modern life and the potential implications of these findings, there is a pressing need for more comprehensive research to fully understand the long-term health effects of low-level RF exposure. Regulatory bodies and health organizations are increasingly acknowledging the necessity of revisiting existing RF exposure guidelines, which currently focus predominantly on preventing thermal effects. This evolving understanding highlights the importance of precautionary measures, particularly for vulnerable populations like children, and the need for continued monitoring and assessment of RF exposure as technology advances. The ongoing scientific discourse underscores a critical aspect of public health policy: the need to adapt and revise guidelines in response to emerging scientific evidence.

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About the Author

R Blank is the CEO of Shield Your Body, which he founded in 2012. With hundreds of thousands of customers in over 30 countries, and having been interviewed on platforms including Dr. Phil, ABC news television and ElectricSense, R is an internationally followed expert on issues of EMF, health and safety. He also hosts “The Healthier Tech Podcast”, available Apple, Spotify and all major podcasting platforms. In the past, he served on the faculty at the University of Southern California Viterbi School of Engineering as well as the University of California, Santa Cruz. Previously, R ran a software engineering firm in Los Angeles, producing enterprise-level solutions for blue chip clients including Medtronic, Apple, NBC, Toyota, Disney, Microsoft, the NFL, Ford, IKEA and Mattel. He has spoken at conferences around the world, including in the US, Canada, New Zealand and the Netherlands, and he is the co-author, along with his father Dr. Martin Blank, of ‘Overpowered‘ from Seven Stories Press about the science of health effects of EMF radiation. He has an MBA from the UCLA Anderson School of Management and received his bachelor’s degree, with honors, from Columbia University. He has also studied at Cambridge University in the UK; the University of Salamanca in Spain; and the Institute of Foreign Languages in Nizhny Novgorod, Russia. Read more about R and SYB or connect with R on LinkedIn.

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R Blank