“Prolonged & frequent use of Bluetooth headphones may be associated with an increased risk of developing thyroid nodules, potentially linked to cumulative effects of NIR emitted by headphones on the thyroid gland.” From China and Malaysia. Open access.
“Latency and amplitude of [cochlear nerve compound action potentials] are very sensitive to EMFs produced by mobile phones, whereas the EMFs produced by a common Bluetooth device do not induce any significant change in cochlear nerve activity.” From Italy.
We've been tempted to think that some junior X-men have jumped off the big screen onto the streets of New York City. Well, not really, it just seems like that with so many people linking Bluetooth headsets to their cell phones.