[koof]

If you are listening to headphones loud enough to block out other conversations, you are almost certainly going to damage your hearing.

[lallysingh]

Etymotics. They're also part ear-plug. I run them at very low levels.

[aqme28]

Not if the headphones are good at noise isolation, which most are.

[blumkvist]

I wonder how people are so confident when they spew bullshit.