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The reasons more people are wearing wired headphones are not about "counter-signaling". It's the Bluetooth. Bluetooth earbuds contain a low-power transmitter in your ear canal for hours a day. The WHO classified RF radiation as a possible carcinogen back in 2011. While the levels you get from earbuds are below current safety limits, those limits were built around heat, not long-term biological effects. You also have a lithium-ion battery and a tiny magnet sitting millimeters from your brain. A 2022 study measured static magnetic fields from wireless earbuds and found wired options are the safer choice. I'm not saying Bluetooth is dangerous, but celebs (and many others) are wearing wired earbuds less for status signaling and more for health protection.