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Computer Radiation: How To Minimize Exposure

Computer Radiation How To Minimize Exposure
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Computer radiation is a type of electromagnetic radiation that is emitted by electronic devices such as computers, laptops, smartphones, and tablets. Unfortunately, exposure to computer radiation can negatively impact our health, causing a range of symptoms such as eye strain, headaches, fatigue, and even long-term health problems like cancer, infertility, and DNA damage.

Considering the amount of time we spend in front of screens, it’s essential to take proactive measures to minimize our exposure to computer radiation. In this article, I’ll be sharing some helpful suggestions that will enable you to reduce your exposure to computer radiation, including adjusting your computer settings, using protective equipment, taking regular breaks, and practicing good posture.

By the end of this article, you will have a better understanding of what computer radiation is, how it affects your health, and what you can do to protect yourself from it. With that in mind, let’s dive in and explore some effective ways to minimize your exposure to computer radiation.

Understanding Computer Radiation

If you are concerned about the potential health risks associated with computer radiation, it’s essential to understand the types of electromagnetic field (EMF) radiation produced by various computer components. By knowing what type of radiation we’re being exposed to, we can take proactive measures to minimize our exposure and safeguard our health.

computer radiation

Types of EMF Radiation

There are two main types of EMF radiation: RF-EMF and ELF-EMF.

  • RF-EMF Radiation

    RF-EMF radiation covers the frequency range between 100 kHz and 300 GHz. It is typically generated by devices that emit radio frequency signals, such as wireless peripherals and Wi-Fi routers.

    This type of radiation is of particular concern, as it’s emitted by many of the devices we use on a daily basis, such as smartphones, laptops, and Wi-Fi routers. Exposure to RF-EMF radiation can cause a range of symptoms, including headaches, dizziness, and fatigue. Long-term exposure to this type of radiation can lead to more severe health problems, such as cancer and DNA damage.
  • ELF-EMF Radiation

    ELF-EMF radiation refers to frequencies between 0-3000 Hz. It is produced by alternating currents, which can be found in computer power supplies and hard drives.

    While not as commonly discussed, it can still be harmful to our health. Exposure to this type of radiation can cause symptoms like nausea, headaches, and even depression. Long-term exposure to ELF-EMF radiation has also been linked to an increased risk of developing leukemia and other cancers.

Both types of EMF radiation are recognized by the World Health Organization’s International Association for Research on Cancer as possibly carcinogenic to humans. This means that prolonged exposure to these types of radiation can increase the risk of developing cancer.

Sources of EMF Radiation from Computers

It’s important to identify the different components that generate electromagnetic field (EMF) radiation. It’s crucial to be aware of these sources so that we can take proactive measures to reduce our exposure and protect our health. Here are some of the main sources of EMF radiation that we should be aware of as computer users:


Computer Processing Unit (CPU) is the actual computer itself, excluding any monitors or accessories. While the CPU doesn’t actively emit any type of signal, it does have a few components that can generate electromagnetic field (EMF) radiation, such as the power supply and hard drive.

The power supply, which runs on AC electricity, is a common source of ELF-EMF radiation. This type of radiation is constantly emitted while the device is powered on, posing a potential health risk.

Meanwhile, the hard drive only generates ELF-EMF radiation when it is busy running. If the computer is not in use or performing a task, the radiation produced by the hard drive is minimal. However, if we are using the machine, the hard drive is most likely working and emitting radiation.


The monitor is another potential source of EMF radiation. This is particularly true if we have an older cathode ray model, which are large and boxy in appearance. However, even modern flat screens do produce some degree of radiation.

All monitors have a power supply, which can generate some level of ELF-EMF radiation. Additionally, the type of backlight used in the monitor also matters. An LCD monitor with fluorescent backlighting, for example, generates more EMF radiation than one with LED backlighting.

Wireless Peripherals

The wireless accessories of my computer can also produce EMF radiation. While these devices are certainly convenient and offer a greater range of motion than their wired counterparts, they emit radio frequency (RF) signals to communicate with the computer, which can be harmful.

To operate, the wireless accessory sends a signal to a receiver on the computer, which is usually connected through a USB port. The signals are then transmitted to the computer, but they also emit RF-EMF radiation in close proximity to our bodies.


WiFi is another significant source of EMF radiation in our homes. While it allows us to surf the internet without being chained to one location, it emits radio frequency (RF) signals in the 2.4Ghz or 5Ghz range, which are squarely in the middle of the RF-EMF frequency range. As a result, our WiFi router is actually broadcasting EMF radiation throughout our homes. If we have an extender, the radiation is amplified even further.
In our previous article, “Wireless Radiation: What It Is And How To Stay Protected,” we delve into greater detail about the dangers of WiFi radiation and how to stay safe.


Laptops come with their own unique set of concerns when it comes to minimizing exposure to EMF radiation. While the power supply and hard drive still produce EMF radiation, there are additional factors to consider, such as the built-in Bluetooth and the actual placement of the device.

The name “laptop” implies that we may use the device while it rests on our lap. However, this common behavior can lead to exposing ourselves to potentially dangerous levels of EMF radiation, as our body and hands are in direct contact with the machine. If we use our laptop often for work or personal use, this exposure can add up over time.

My Experience with Computer Radiation

Being someone who spends a lot of time on computers, I share your concern about the potential dangers of computer radiation. Exposure to electromagnetic field (EMF) radiation can cause a range of health problems, including headaches, fatigue, and even cancer.

Over the years, I’ve tried various methods to reduce my exposure to computer radiation. I started by adjusting my computer settings, including brightness, contrast, and color temperature. I also changed my text size and font, which helped reduce eye strain and fatigue.

Another method I found effective was using protective equipment such as anti-glare filters and radiation shields. These products helped reduce the amount of radiation emitted by my computer screen and offered an additional layer of protection against harmful EMF radiation.

In addition to adjusting my computer settings and using protective equipment, I also made a conscious effort to take regular breaks and practice good posture. The 20-20-20 rule, which involves taking a 20-second break every 20 minutes to look at something 20 feet away, was particularly helpful in reducing eye strain and fatigue.

Through my personal experience and research, I’ve come to realize that there are several effective ways to reduce exposure to computer radiation. It’s crucial to take proactive measures to minimize our exposure to EMF radiation to protect our health, especially since we spend so much time in front of screens.

In the following sections, I’ll be sharing some practical steps that you can take to reduce your exposure to computer radiation and safeguard your well-being.

How to Minimize Computer Radiation

Reducing exposure to EMF radiation is all about taking steps to minimize the risks. While it may not be possible to eliminate all sources of EMF radiation, there are many strategies you can implement to significantly reduce your exposure. By focusing on what you can control, such as your computer and its accessories, you can create a safer environment for yourself and your family.

Here are some of my suggestions for reducing computer radiation exposure as well as the precautions I’ve taken to safeguard my family and myself.

  1. Upgrading Equipment

    Older CPUs and cathode-ray monitors produce more EMF radiation compared to their newer counterparts. With advancements in technology, the production of lower-EMF power supplies and monitor styles such as LCD with LED backlighting has significantly reduced the amount of EMF radiation generated by these devices. So, if you have an older computer, it might be time for an upgrade to a newer and safer model. Investing in new technology not only ensures better performance but also reduces your exposure to EMF radiation. Therefore, it’s essential to be aware of the age of your computer components and consider upgrading to reduce the potential health risks associated with EMF radiation.
Lenovo’s Essential Wired Keyboard and Mouse Combo
  1. Choosing Wired Accessories

    Wireless peripherals are not entirely safe despite their convenience. Instead, I have found that wired keyboards and mice produce virtually no EMF radiation and are a safer option. Wired accessories plug directly into the computer via a USB cable, which minimizes the amount of radiation produced. I have recently switched to Lenovo’s Essential Wired Keyboard and Mouse Combo, which is full-sized, ergonomic, and highly reliable. There are also other great options available, and you can check out the 7 Best Wired Keyboard and Mouse Combos to find one that suits your needs. By switching to wired accessories, I have reduced my exposure to EMF radiation while still being able to use my computer effectively.
DefenderShield Laptop Pad
  1. Laptop Usage

    It can be tempting to place your laptop on your lap and work or stream your favorite shows. However, this habit can expose you to significant levels of EMF radiation, especially around your reproductive organs. To minimize the risks, I recommend placing the laptop as far from your body as possible, ideally on a desk or table.

    If you want to go the extra mile, investing in a protective laptop pad can be a smart move. These pads can help shield your body from EMF radiation and heat emissions. For example, the DefenderShield’s DefenderPad is a great option that can provide both EMF and heat protection.

    Another way to further reduce your exposure is to use a wired keyboard and mouse instead of relying on the laptop’s built-in keyboard and trackpad. This can give you even more distance between you and the device, as well as eliminate the EMF radiation produced by the laptop’s Bluetooth or other wireless signals.
  1. Rethinking WiFi

    WiFi is a convenient way to stay connected to the internet. However, it’s also a significant contributor to the levels of EMF radiation in our homes. If your modem and router are located close to your computer, your exposure to EMF radiation is even higher when using the device.

    While it may be difficult to eliminate WiFi entirely, switching to wired internet is the safest option. Not only is it more reliable, but it’s also faster. If your modem is close to your computer, switching may be as simple as unplugging the ethernet cord from your wireless router and plugging it directly into your computer.

    If you have other devices that require an internet connection, the process may be a bit more complicated. Check out our guide on how to switch from WiFi to wired internet for more information.
  1. Use a Router Guard

    Sometimes getting rid of WiFi isn’t always an option. In such cases, using a WiFi router guard is the next best solution. These mesh boxes act as a Faraday cage, containing most of the EMF radiation while still allowing the WiFi signal to pass through.

    There are many different models of router guards available in the market, and it’s important to choose one that fits your specific router. The installation process is usually simple and involves placing your router inside the box. It’s worth noting that a router guard won’t completely eliminate the EMF radiation generated by your WiFi router, but it can significantly reduce the levels of exposure.
  1. Increasing Distance

    Increasing the distance between me and my computer can significantly reduce my exposure to EMF radiation. By placing my desktop unit on the floor, rather than on my desk, I create more space between me and the source of the radiation. When I use my laptop, I try to maintain a distance of at least 12-18 inches between me and the device, as well as any monitors.

    This may not always be practical or possible, but every little bit helps. Additionally, it’s important to note that certain computer components, like the power supply and hard drive, can produce more radiation when they are actively in use. Therefore, it’s also a good idea to take regular breaks and step away from the computer to minimize exposure.
  1. Turn It Off at Night

    Turning off your device when it’s not in use is a simple yet effective way to reduce exposure. Sleep mode may seem like a good option, but it’s important to note that your computer is still powered on and emitting some degree of radiation. So, shutting it down completely is the best option to minimize exposure. In addition to reducing EMF radiation, turning off your computer also saves energy and extends the lifespan of the device.


Electromagnetic field radiation in our homes can be significantly sourced from computers. However, I’ve learned that there are a few easy steps I can take to minimize my exposure and use my devices as safely as possible.

By adjusting computer settings, using protective equipment, and taking regular breaks, we can significantly reduce our exposure to harmful EMF radiation emitted by our devices. It’s important to be aware of the potential health risks associated with prolonged exposure to computer radiation and take proactive measures to protect our health.

As technology continues to play an increasingly important role in our daily lives, it’s crucial that we educate ourselves and take necessary steps to reduce our exposure to harmful EMF radiation. By implementing the practical solutions mentioned in this article, we can continue to enjoy the benefits of technology while minimizing our exposure to potentially harmful EMF radiation.

In conclusion, taking a few simple steps to reduce our exposure to computer radiation is an effective way to protect our health and promote a safer and healthier environment. By being aware of the sources of EMF radiation and taking necessary precautions, we can use our devices safely and enjoy the benefits of technology without compromising our health.


What started out as an intention to protect my family from the dangers of EMF radiation has turned into a mission to share my research with as many people as possible. Despite the ever-increasing threat of EMF, there are many ways to keep ourselves protected. Knowledge is power!

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