Yes, you are hearing things! If it's a ringing, buzzing or roaring sound, you have tinnitus, which strikes one in 20 people.
- One theory links it to hearing loss; because the brain doesn't get enough sound signals from the ear, it creates its own noise (nature hates a vacuum or, it appears, silence) — similar to the way people who've had a limb amputated still feel "phantom" pain.
Most people go on just fine with occasional or even constant ringing, but for some, tinnitus can wreak havoc on their ability to lead normal lives. Whether you've never experienced it or it's just beginning to creep up on you, keep the worst at bay with these recommendations: