More research seems to indicate that over use of these listening devices is causing hearing loss. How loud is too loud? Anything over about 70 dcbls for a prolonged period is too loud. If someone else with good hearing can hear your music even though you're playing through ear buds or headphones is way too loud.

Scientists sound the alarm on MP3 players � 14 Oct 2008
Scientists have sounded the alarm about the dangers of using digital music players, warning that listening to them too long and too loud can cause permanent hearing loss.BellaOnline ALERT: Raw URLs are not allowed in these forums for security reasons. Please use UBB code. If you don't know how to do UBB code just post here for help - we will help out!


Felicity
Deafness