 Using your earbuds or headphones in no more than 60% of the volume and for no more than 60 minutes of time. Oftentimes, if you can hear the sound coming out of someone's devices, that's a real good indication that their volume is too loud. We're going to talk about wish of a lifetime in just a moment as we start to wrap things up here. But I've always wondered this. Is hearing loss irreversible?