The voice in your head is a lie. What you hear when you open your mouth is distinctly less velvety than what everyone around hears—and it's your skull that's to blame. More specifically, it's the way your skull vibrates.
Hearing loss is the kind of ailment that sneaks up on you over time — many people don't even recognize that it's happening). New research shows that its long-term consequences could include dementia. And now, it turns out that hearing loss is far more pervasive than anyone realized.