Well, extended exposure to 85 dB will cause hearing loss. I think a good techno club will not be louder than 100 dB. But my point was that many environments we

Well, extended exposure to 85 dB will cause hearing loss. I think a good techno club will not be louder than 100 dB. But my point was that many environments we consider "safe", "normal", or "enjoyable" are actually dangerous to our hearing, so we have to enter them with an understanding that we are trading temporary enjoyment for long-term health.