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So to protect your hearing you need to know three things about a noise: how loud, how long (will you listen to it), and how close (will you get to it). But all of these factors depend on the first-the loudness decibel (dB) level.Ī decibel is a way to measure the loudness of sounds-the higher the number of a decibel the higher the sound. For every three decibel increase the chance for injury to hearing goes up and happens more quickly. Some sounds that are safe for ten minutes can become dangerous when listened to for an hour or more, especially if you are too close to them. And though you probably already wear ear protection at concerts or when you’re operating a jackhammer or waving out an F-35 fighter jet (Hey, it’s someone’s job), regular sounds like traffic and a hair dryer can also damage hearing if listened to for too long.īecause of the excessive noise from technology in today’s world we risk our hearing every day. In today’s noisy and technological world, our wonderful and useful ears are often exposed to loud and sometimes damaging sounds. Your ears didn’t evolve to deal with the constant sounds they are exposed to on a daily basis-not even those sounds you think aren’t “too bad.” So how can you know when to protect your tortured ears from the threat of random noise pollution? Well, there’s an app for that. Today we have a television in every room, and heck at a lot of gas station pumps. And it sure wasn’t this way 50 years ago. Believe it or not, the noisy technological world you now occupy wasn’t the norm even 25 years ago.