No, Your AirPods Won’t Give You Cancer (Despite All The Scaremongering)

The group of scientists behind that report believe that the electro magnetic radiation from AirPods is dangerous. The only problem is, existing research doesn’t support that claim.

“If you look at the science from nations around the world, and they look at epidemiology, at animals, there is no evidence that these devices cause adverse effects," said Dr. Jerrold T. Bushberg Clinical Professor of Radiology and Radiation Oncology and Director Emeritus of Medical and Health Physics Programs  at University of California, Davis.

The flurry began in early March after an online post on Medium pointed out that the next generation of iPhones is not expected to include a headphone jack, and that other companies would follow suit. Thus consumers would largely be forced to go wireless when it came to headphones. “It's still possible to connect wired headphones to these devices with an adapter, but ditching the headphone jack is viewed by many as an acknowledgment that Bluetooth won the battle for our ears,” the post read.

And a professor of biochemistry at the University of Colorado-Colorado Springs, Jerry Philips, who signed the 2015 document, told Medium that "[His] concern for AirPods is that their placement in the ear canal exposes tissues in the head to relatively high levels of radiofrequency radiation.”

But according to Dr. Bushberg, observations of negative biological effects of AirPods have been confined to single studies, and haven’t ever accumulated into a convincing argument. “There are reports that show occasionally biological effects. Some of these are biological effects that don't have adverse effects. But usually the studies with adverse effects have failed to be replicated. So you can't take one study, you have to look at all the studies in totality to really understand what the science is saying," he says.

Chart describing radiation levels on the electromagnetic spectrum

He wouldn’t say AirPods are 100 percent safe, because, he said, science is never 100 percent. “In science we never get to a point where we say something is absolutely safe, because I wouldn’t portend that we know everything about the human physiology and biochemistry. Of course we don't. So all we can do is to express what we know today, using the best tools we have for health and safety,” says Dr. Bushberg.

But he wouldn’t call them dangerous either, because the radiation involved falls in the category of “non-ionized radiation,” which can’t really penetrate the body, and doesn’t do much to change the chemistry and biology of our cells upon exposure. “Ionized radiation,” by contrast, is radiation that can penetrate the body, and can have negative health effects. For example, gamma rays that are used for X-Rays are a type of ionized radiation, and doctors have to be very careful about how they use them,” he says.

The graph above can help us understand where AirPods fall on this spectrum. “The big dotted line separates the ionizing radiation from the non ionizing. The visible part of the spectrum is the part that our cones in our eyes are sensitive to. The bluetooth symbol [also where you’d find Airpods] falls to the far right of the telecommunications devices, about the same as a microwave. It's about a million times less energy than visible light,” Dr. Bushberg says.

“Then beyond the visible light spectrum [to the right on the graph] is the ionizing radiation,” he continues.

The smaller the wavelengths, the more the radiation can interact with the body and have negative effects. “As frequency gets higher, wavelengths get shorter and shorter, the energy in the wave increases, and the size of the wave itself begins to assume quantum properties, meaning it can actually interact with things at the atomic level,” he says.

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