IS AN OTC HEARING AID FOR YOU? You may have seen the recent ads for over-the-counter (OTC) hearing aids.  The FDA is finally allowing consumers to buy a new category of hearing aids without visiting a health professional and a prescription. This new class is for adults who believe they have mild to moderate hearing loss. (If you have significant difficulty hearing, these may not be for you.) You can now buy an OTC hearing aid directly in stores or online for much less than prescription hearing aids, which average $2,000 to $4,000 per ear. Amazon, for instance, offers several...