Good news for Europeans tired of overhearing music coming from other people's headphones: the European Commission is planning a proposal to limit the decibel level of new personal music players. The proposal — which came after a study revealed that one in 10 listeners will suffer permanent hearing damage — suggests that a default volume be set on all music players.

Their study found that noise exposure should be limited to 40 hours of music a week at 80 decibels — about the noise level of a busy street. It's easy to routinely listen to music above these levels. . . especially when trying to block out the noise level of, say, a busy street.

I know that 68 percent of you worry about your hearing, but do you consciously turn down the volume on your iPod as a result? Hint: to lock your volume at a certain level, go into "settings" and then "volume limit."