By
Gigabit Systems
November 17, 2025
•
20 min read

Does Your iPhone Actually Emit Harmful Radiation?
Here’s What Science (Not Myths) Says
If you’ve ever wondered whether your iPhone might be giving off harmful radiation, you’re not alone. It’s one of the most common smartphone myths — and one that keeps resurfacing. The truth is, your iPhone does emit radiation, but not in the way most people think — and not at levels that pose any risk.
📡 How iPhones Emit Radiation
Every smartphone, including iPhones, communicates with nearby cell towers using radio frequency (RF) waves. These are a form of non-ionizing radiation, the same type used by Wi-Fi routers, Bluetooth devices, and even FM radio.
Non-ionizing radiation does not carry enough energy to damage DNA or cells. That’s very different from ionizing radiation — such as X-rays or gamma rays — which can cause harm at high doses.
In simple terms:
The RF energy from your iPhone isn’t strong enough to heat tissue or alter your body on a cellular level.
🧠 What the Experts Say
Leading scientific and health authorities agree that mobile devices — including iPhones — do not cause cancer or other health problems.
The U.S. Food and Drug Administration (FDA) states:
“The weight of scientific evidence has not linked exposure to radio frequency energy from cell phone use with any health problems at or below the limits set by the FCC.”
Similarly, the Federal Communications Commission (FCC) regularly tests and certifies all phones sold in the U.S. to ensure they meet strict safety standards.
⚙️ Understanding iPhone Radiation Levels (SAR Values)
Radiation levels from smartphones are measured using the Specific Absorption Rate (SAR) — the amount of RF energy absorbed by body tissue, expressed in watts per kilogram (W/kg).
There are two main measurements:
Head SAR: When the phone is held near the ear.
Body SAR: When carried near the torso (like in a pocket or on a belt).
According to Apple’s published data:
Recent iPhone models (including the iPhone 17 series) have SAR values around 1.19 W/kg (head) and 1.49 W/kg (body).
These numbers are below both U.S. and European safety limits:
FCC limit: 1.6 W/kg (averaged over 1 gram of tissue)
EU limit: 2.0 W/kg (averaged over 10 grams of tissue)
In other words — your iPhone operates well within global safety standards.
🔒 How to Reduce Your Exposure Even Further
While the evidence shows no risk, the FCC recommends a few simple ways to minimize unnecessary exposure if you’d like to be extra cautious:
✅ Use speakerphone or Bluetooth earbuds instead of holding your phone to your ear.
✅ Text instead of calling whenever possible.
✅ Keep your phone a few inches away from your body when carrying it.
✅ Limit long calls in areas with poor signal — phones use more power (and emit slightly higher RF) when searching for service.
💡 The Bottom Line
Your iPhone does emit low levels of radio frequency energy — but not the kind of radiation that causes health problems. Modern iPhones are heavily tested, tightly regulated, and far below the thresholds considered unsafe by global health agencies.
So while it’s smart to use devices responsibly, there’s no credible scientific evidence suggesting your iPhone is harming you.