Do Fitbits Cause Cancer? – Get The Facts! | Radiation Health Risks 2024

There is currently no evidence to suggest that Fitbits or other wearable fitness-tracking devices cause cancer. The levels of electromagnetic radiation (EMF) emitted by Fitbits and other wearable devices are extremely low and are not considered to be a health risk by any major health organization.

The World Health Organization (WHO) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP) both state that the levels of EMF emitted by wearable devices are well below the safety limits established by their respective organizations.

Several studies have been conducted to assess the potential health effects of wearable devices, including Fitbits, and no evidence of a link between the use of these devices and an increased risk of cancer has been found.

It’s worth noting that cancer is a complex disease that can be caused by a multitude of factors, including genetics, lifestyle, and environmental exposure.

While some people may be concerned about the potential risks associated with wearable devices, it is important to keep these concerns in perspective and consider the overall body of scientific evidence when evaluating their safety.

The technology behind Fitbits:

The use of wearable technology, such as fitness trackers, has become increasingly popular in recent years. One of the most well-known brands of fitness trackers is Fitbit.

As the popularity of Fitbits has increased, so have concerns about their safety, particularly with regard to the potential link between Fitbits and cancer.

I will take a detailed look at the issue, exploring the history of Fitbits, the technology behind them, the scientific evidence for and against the link between Fitbits and cancer, and the opinions of experts in the field.


Fitbit was founded in 2007 and has since become a leader in the wearable technology market.

The company offers a range of fitness trackers, smartwatches, and other health-related products.

Over the years, Fitbits have become increasingly sophisticated, with features such as heart rate monitoring, sleep tracking, and GPS capabilities.

Fitbits use a range of sensors and components to track a person’s activity and health data. This includes an accelerometer, which measures movement, and a heart rate monitor, which tracks the wearer’s heart rate.

Some Fitbits also include GPS capabilities, which allow the device to track the wearer’s location and physical activity.

The data collected by Fitbit is then transmitted wirelessly to a smartphone or computer, where it can be analyzed and used to track progress and set goals.

The concern about cancer:


There have been concerns raised about the potential link between Fitbits and cancer, with some people claiming that the radiation emitted by the devices could cause cancer.

Some of the specific types of cancer that have been mentioned in connection with Fitbits include skin cancer, breast cancer, and brain cancer.


The scientific evidence:

There have been several studies conducted to investigate the potential link between Fitbits and cancer, including both animal and human studies.

While some studies have suggested a potential link between Fitbits and cancer, the vast majority of research has found no significant evidence to support these claims.


In fact, many experts believe that the radiation emitted by Fitbits is too low to pose a significant risk to human health.


The industry response:

The Fitbit company and other stakeholders in the wearable technology industry have responded to the concerns about cancer by emphasizing the safety of their products.

Fitbit, in particular, has noted that the radiation emitted by its devices is well within the safety limits set by international standards organizations.

The potential risks and benefits of Fitbits:

Here are some potential risks and benefits of using Fitbits:

Potential Benefits:

  1. Increased physical activity: Fitbits can encourage users to be more physically active by tracking their steps, setting goals, and providing rewards for meeting goals.
  2. Better sleep: Fitbits can monitor sleep patterns, helping users understand the quality and quantity of their sleep.
  3. Motivation: Fitbits can provide motivation and accountability for users who want to make healthy lifestyle changes.
  4. Health insights: Fitbits can track heart rate and provide insights into overall health.

Potential Risks:

  1. Over-reliance: Users may become too reliant on their Fitbits to monitor their health, potentially ignoring other important signs and symptoms.
  2. Privacy concerns: Fitbits collect personal data, which could be vulnerable to hackers or misuse.
  3. Inaccuracy: Fitbits may not always provide accurate data, leading to incorrect health assessments or recommendations.
  4. Obsessive behavior: Some users may become obsessed with tracking their physical activity and health, leading to unhealthy behavior or stress.

It’s important for individuals to weigh both the potential benefits and risks before using a Fitbit or any other wearable technology. Users should also follow the manufacturer’s guidelines and use the device as a tool to complement other healthy lifestyle habits.

The expert opinions:

Many experts in the field of wearable technology believe that the concerns about the link between Fitbits and cancer are overblown.

They point out that the radiation emitted by Fitbits is well within safety limits, and that the potential benefits of these devices far outweigh any potential risks.


There is currently no strong scientific evidence to support the claims that Fitbits cause cancer.

While there may be some potential risks associated with the use of these devices, the vast majority of research has found that they are safe to use.

Additionally, the potential benefits of Fitbits, such as improved health and fitness, make them an attractive option for many people. As with any technology, it is important to use Fitbits responsibly and to follow all safety guidelines.

Do Fitbit Smart Scales Emit EMF Radiation?

Fitbit smart scales, like most electronic devices, emit electromagnetic fields (EMF) as a byproduct of their operation.

However, the levels of EMF emissions from Fitbit smart scales are generally considered to be low and pose no significant health risks to users.

It’s important to note that all electronic devices, including cell phones, laptops, and household appliances, emit some level of EMF radiation.

The levels of EMF emitted by these devices are regulated by government agencies to ensure that they are within safe limits.

In general, the levels of EMF emitted by Fitbit smart scales are well below the safety limits established by organizations such as the World Health Organization (WHO) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP). Therefore, they can be considered safe for use.

Are Fitbit Rashes Caused by EMF Radiation?

There is currently no scientific evidence to suggest that Fitbit rashes are caused by electromagnetic field (EMF) radiation.

Some people may experience skin irritation or rashes from wearing a Fitbit due to factors such as sweat, friction, or allergies to materials used in the device. However, it is not known to be caused by EMF radiation.

Fitbits and other wearable fitness trackers emit low levels of EMF radiation, which is considered non-ionizing and generally considered to be safe for human exposure.

However, more research is needed to fully understand the potential health effects of long-term exposure to low levels of EMF radiation from wearable devices.


Is the green light on Fitbit safe?

Fitbits and other wearable fitness trackers are considered safe for most people to use. The green light on Fitbits is simply a notification light that signals a change in device status, such as a notification or low battery.

Does Fitbit Give Off Electromagnetic Radiation?  Is Fitbit Safe

Fitbits emit low levels of electromagnetic radiation (EMF), which is a type of non-ionizing radiation. Non-ionizing radiation is not considered harmful to human health, as it does not have enough energy to ionize atoms or molecules in the body.

Is it Safe to Wear a Fitbit to Bed?

It is safe to wear a Fitbit to bed, as the levels of EMF emitted by the device are considered low and unlikely to cause any health effects. Wearing a fitness tracker all the time is also generally considered safe.

Do Fitbits cause cancer – and is there evidence to back this up?

There is no evidence that Fitbits or other wearable fitness trackers cause cancer. However, some people have reported skin irritation or rashes from wearing a Fitbit, which may be due to materials used in the device or to a reaction to the adhesive used to keep the device in place.

Is it healthy to wear a Fitbit all the time?

Wearing a Fitbit, or any other wearable fitness-tracking device is generally considered safe for healthy individuals. The low-level non-ionizing radiation emitted by the device is unlikely to cause any significant health effects, according to the available research. However, more research is needed to fully understand the long-term effects of prolonged exposure to the device’s electromagnetic fields (EMF) and other features such as its Bluetooth connectivity. It is always a good idea to consult with a healthcare professional if you have any concerns about wearing a Fitbit or any other wearable device. Additionally, it is recommended to follow the guidelines provided by the device manufacturer and to use the device according to the instructions, such as wearing it directly on the wrist and avoiding extended exposure to the device’s EMF.

Bill Otto
I, Bill Otto, have been playing a role in Aerospace Projects and Commercial Space since 2011. As a writer, I have the desire to understand how things work! I started out on the technical side but found my love for writing and copywriting. As an engineer, I know how to speak the language and know valuable information about the products and services that I write about. I’m also an audio and video recording enthusiast since the 1970s and one of my favorites is the VHS format because it has the highest resolution of any analog recording format. I describe VHS as the Encyclopedia Britannica of the World!