ultrasonics & hearing loss

[Beth Strickland]

Well, no, presumably if it's ultrasonic it is above the frequency range of
human hearing and isn't "loud" at all.  Maybe you mean intense.

>Has anyone any information regarding the effect of ultrasonic exposure on 
>hearing loss? Examples would include ultrasonic humidifiers, ultrasonic 
>massage, ultrasonic cleaners, ultrasound imaging devices used in fetal 
>examinations, etc. Presumably something loud enough to heat water or your 
>musculature or take the tarnish off your ring is quite loud.
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