01-09-2013, 09:23 PM
I don't recall hearing about it before. It would seem to suggest either some sort of nervous response, an increase in core body temperature, or an attempt to flush something out of your system. I'm going to bet that if it actually is caused by the ultrasonic, it's one of the former two.
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The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!