It's just a fact of life: As we get older, our hearing declines, little by little. Although many of us have noticeable hearing loss by the time we're in our 40s, most of us don't act on it until later ...

For decades, the only way to get a hearing aid was to visit a doctor and have one prescribed for you—probably in a strip mall office advertised on the marquee only with “HEARING AIDS” in block letters ...