Eddie Van Halen: “In my recording studio [I would often hold in my lips] a metal [guitar] pick, hanging out of my mouth. It was basically like playing golf in a lightning storm [with the metal pick acting as antenna to receive the electromagnetic radiation emitted from equipment in the recording studio].” 29:00 into video
Howard Stern: “You’re saying a metal [guitar] pick gave you tongue cancer?
Eddie Van Halen: “Yeah.”
Howard Stern: “…because it picked up [and concentrated] the [electromagnetic and microwave RF] radiation [emitted] from all the equipment that you use [in your studio]?”
Eddie Van Halen: “That’s right.”
EVH continued smoking as he deemed it was not causal to his cancer.
However, breakthrough cancer research conducted by a young Judyth Vary Baker (of Oswald/JFK infamy) revealed that irradiating mice and then exposing them to cigarette smoke enabled the development of “rapid-onset” cancer within one week.