Unless you've taken a long airplane flight while wearing good noise cancelling headphones, you can't understand why they are so important. That's because your brain will trick you. It will convince you the jet engines aren't THAT loud.
But they are.
More and more people can’t understand dialogue on TV shows and movies – because Hollywood is experimenting too much with audio mixing techniques, because TV sound systems are worse than ever, and because 95 million people are over 50 years of age and have some degree of hearing impairment.
Did you know that if you let a hearing aid battery "breath" for five minutes after taking off its seal, it can last two days longer? Here's a great article, loaded with tips on how to get more life out of your hearing aid batteries.
For years researchers have noted that social isolation can be associated with dementia -- and that hearing loss often leads to social isolation. So if you, or someone you care about, has hearing loss, you should do something about it. Go to an audiologist. Get a hearing test.
Most reasonably priced hearing aids use a single-microphone design -- because one microphone is cheaper than two. But dual microphones can mean the difference between "hearing" and "understanding."
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