"In May 2011, the World Health Organisation's International Agency for Research on Cancer announced it was classifying electromagnetic fields from mobile phones and other sources as "possibly carcinogenic to humans" and advised the public to adopt safety measures to reduce exposure, like use of hands-free devices or texting." Source: https://en.wikipedia.org/wiki/Mobil...#Precautionary_measures_and_health_advisories Fine, simple enough to do. What about the Apple Watch? Is anyone else concerned about leaving a device strapped to your wrist that could be emitting harmful radiation? Is it not a concern with wi-fi and/or Bluetooth which is relatively low power? What happens when the Watch inevitably gets a cell antenna?