EMF Glossary Definition

Radio Frequency

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.

Where do you carry your phone?

Want to Slash Your EMF Health Risks?

Want to Slash Your EMF Health Risks?

Good! Learn the one small change you should make right now.

Want to learn more about EMF?

Try these related articles...

About the Author

R Blank is the CEO of Shield Your Body (SYB), which he founded in 2012 to make science-based EMF protection accessible worldwide. Today, SYB has served hundreds of thousands of customers across more than 100 countries. A globally recognized expert on EMF health and safety, R has been featured on platforms including Dr. Phil, ABC News, and ElectricSense. He also hosts the popular Healthier Tech Podcast, available on Apple, Spotify, and all major podcasting platforms.

R is the author of Empowered: A Consumer’s Guide to Legitimate EMF Protection to Shield Your Body, and the co-author, with his late father Dr. Martin Blank, of Overpowered (Seven Stories Press), one of the foundational works on the science of EMF health effects. His mission is to cut through misinformation and give people the knowledge and tools they need to live healthier, more empowered lives in today’s wireless world.

Previously, R was a software engineer and entrepreneur in Los Angeles, developing enterprise solutions for clients including Apple, NBC, Disney, Microsoft, Toyota, and the NFL. He also served on the faculty at the University of Southern California’s Viterbi School of Engineering and at UC Santa Cruz. R holds an MBA from the UCLA Anderson School of Management and a bachelor’s degree with honors from Columbia University. He has also studied at Cambridge University, the University of Salamanca, and the Institute of Foreign Languages in Nizhny Novgorod, Russia.

Connect with R here at ShieldYourBody.com or on LinkedIn.

Have a Question?

I take pride in designing great, effective products, based on real, measurable science – AND taking the time to ensure that each and every one of you has the information you need to understand EMF and make informed decisions.

So if you have a question, just email me and ask.

R Blank
CEO, SYB