Useful Articles

May 7, 2025

Author: Max Haydon

Radiation Protection in the Age of IoT and Wearables

The Internet of Things (IoT) and wearable technology are revolutionising the way we interact with the world. From smartwatches tracking our heart rates to fitness trackers tracking sleeping habits, wearable devices have become a part of our lives. But as we stretch ourselves with devices, it is crucial to understand the invisible threat they bring – i.e., radiation exposure. At Raybloc, it is our endeavour to make sure that progress should not be made at the expense of health, by offering the knowledge and solutions required to remain shielded during this hyper-connected era.

The Increased Exposure to Radiation from IoT and Wearables

Wearable tech and IoT devices are marvels of modern innovation, but their connectivity relies on constant communication with other devices and networks. This communication happens through the emission of low-level, non-ionising radiation. While each gadget individually poses a minimal risk, most of us now use multiple connected devices throughout the day, leading to a cumulative increase in radiation exposure.

From the smartwatch on your wrist to the Bluetooth earpiece in your ear and the phone in your pocket, the exposure is subtle but persistent. Scientists warn that prolonged exposure, even at low levels, can have significant biological effects that we are only beginning to appreciate.

The Impact of Constant Connectivity

Our lives are now “always-on” settings. Wearables don’t just take and transmit data periodically-watches are designed to be in operation at all times. Every heartbeat, every step, and every sleep cycle is tracked and transmitted in real-time to peer apps and cloud storage. That constant data transmission means constant radiation exposure.

In contrast to smartphones held away from us, wearables are in constant, direct contact with our skin. This proximity increases the exposure to the radiation they emit. While regulatory bodies have set safety levels, these have been done before the era of several, always-on wearables. As a result, their applicability in today’s reality is increasingly being questioned.

Vulnerability of Specific Groups

Some groups are inherently more susceptible to probable radiation effects:

Children: Their tissues are weaker and more permeable, which allows deeper penetration by radiation. Cumulative exposures throughout their lifetimes make the risks worse.
Pregnant Women: Foetal tissues are highly sensitive to environmental factors, including radiation, with risks regarding development hazards.
The Elderly and Chronically Ill: Weakened or impaired immune systems may be less effective at fixing radiation damage.

Admitting these vulnerabilities is the first step in creating safer practices in the use of technology.

Types of Radiation from the Internet of Things and Wearables

Wearables release two types of radiation in general:

Radiofrequency (RF) Radiation – This type of non-ionising radiation is used for wireless communication. Found in Bluetooth, Wi-Fi, and mobile networks, RF radiation has been associated with biological effects if exposure is frequent and near the body.
Electromagnetic Fields (EMF): – EMFs, created by all electronic devices, consist of both extremely low frequency (ELF) fields and higher frequency RF fields. Prolonged exposure has been linked to sleep disorder, oxidative stress, and potential DNA damage.

Raised Concerns on Health Risks

Health effects research into RF radiation and EMFs continues and is sometimes controversial. While definite conclusions are lacking, trends have been identified:

Increased risks of cancers, particularly tumours of the brain.
Fertility issues based on potential impact on sperm quality.
Cognitive and memory issues related to long-term EMF exposure.
Sleep disturbance and reduced melatonin levels.

Of particular concern here is the Specific Absorption Rate (SAR) – a measure of how much RF energy is absorbed by the body-especially for continuously worn devices in children.

Practical Strategies to Minimise Potential Risks

While these problems are a concern, there are practical ways individuals can minimise their exposure without abandoning technology.

Limiting Exposure to Radiation

Turn Off Devices When Not in Use – Whenever possible, turn devices to airplane mode, switch off Bluetooth, and disable Wi-Fi. A few hours of downtime a day can significantly reduce cumulative exposure.
Use Speakerphone or Headphones – For voice calls via smartwatches or other wearables, use speaker mode or wired headsets. Avoid pressing devices against your head.
Limit the Use of Wearables Close to the Body – Take off wearables while sleeping, if feasible. Otherwise, put them in airplane mode to cut off data transmissions.

Protective Technology and Materials

Radiation Shielding Cases – Buying cases and covers specifically designed to block EMF emissions can be highly effective in minimising exposure. Choose products independently tested and certified.
EMF Protection Clothing – Silver-impregnated clothing and specially made apparel offer a wearable shield against radiation. They are especially helpful to pregnant women and children.

Follow Regulatory Standards

While purchasing devices, make sure that they conform to established standards like those of the FCC or ICNIRP. Choose low-SAR devices and keep device software current to ensure maximum performance and reduce emissions.

Keep up to date with changes in guidelines because new studies could result in the revision of established standards.

The Role of Future Technology and Innovation

Future developments in technology are likely to prioritise safer connectivity. Advances in low-energy communication protocols, dynamic power control, and adaptive data transport can lead to a new era of health-aware devices.

Players in the industry must adopt a “safety by design” mentality to act in anticipation of preventing radiation related problems ahead of being compelled to respond to changing health data.

Biocompatible Wearable Devices

Researchers are creating wearables that comfortably engage with the body, using biocompatible materials, collecting more than just vital statistics about individuals’ health.
The new-age devices will melt into the living system while containing exposure risks to a bare minimum.

Imagine clothes with embedded sensors in the guise of natural organic materials generating just a pinch of radiation-the intelligent wearables could be that risk-free.

Smart Regulations

Ensuring public health in the IoT era requires more than individual responsibility. Governments and regulators must:

Revise current standards to meet the contemporary digital landscape.
Require open labelling of RF emissions and SAR ratings.
Enforce independent safety testing of new equipment.

Greater cooperation among public health professionals, technologists, and lawmakers is required to ensure that innovation is not outpacing safety.

Conclusion

The era of the IoT and wearables brings never-before convenience and medical information but requires intentional practices in managing exposure to radiation. United at Raybloc, we embrace tomorrow which makes technology take steps to augment life without costing us well-being. Leveraging intelligent practices, safety products, and innovation-driven solutions, we can make an entry into the future – safe, responsible, and secure.

Stay connected. Stay safe. With Raybloc.

FAQs

Should i be worried about Specific Absorption Rate (SAR)?

SAR is an important measure of the amount of radiation your body absorbs from a device. While most devices comply with current limits, it is wise to prefer products with lower SAR values, especially for children and heavy users.

Can children safely use wearable devices like smartwatches?

Children‘s bodies are more vulnerable to radiation. Parents can select low-SAR phones, limit use to when needed only, and encourage the use of pauses in wearables.

Can radiation from IoT devices and wearables affect sleep?

Studies show that EMF exposure can disrupt melatonin production, which is crucial during sleep regulation. Reducing exposure at night by turning off or taking out the devices can significantly improve the quality of sleep.

Is it safe to wear multiple IoT devices at once?

Wearing several devices increases cumulative exposure to radiation. Wherever practicable, wear fewer devices simultaneously, especially when closer to major organs.

Can EMF-blocking devices completely protect me from radiation?

No device can offer 100% protection, but EMF-blocking cases, clothing, and careful utilisation of devices can strongly decrease exposure, minimising associated health risks.

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Max Haydon

Head of Business Development at Raybloc (X-Ray Protection) Ltd

"I’m Max, one of the Haydon brothers carrying on the family legacy of Raybloc alongside Founder (and Father), Sean Haydon. My late grandfather, Leonard Street - fondly nicknamed “Gangy” by me and my brothers - founded Raybloc alongside my dad, and their dedication to precision, proactivity, and continuous improvement inspires everything I do.

With a Master’s in Physics with Medical Physics from the University of Nottingham, I’m serious about creating valuable content for our customers but always keep things human and approachable. The most rewarding part of my job? Knowing that Raybloc’s radiation shielding systems make healthcare environments safer, improve patient experiences, and support NHS staff in reducing waiting times. It’s a great feeling to know the work we do has such a positive impact.

Outside of work, I’m usually strumming my guitar, singing along to The Beatles, or creating original music inspired by 60s and 70s legends. Looking ahead, I’m passionate about expanding Raybloc into new industries and forging partnerships with people who share our mission to make meaningful change."