As for the idea that ear candling can cure ringing in the ears or improve the memory, one ENT specialist points out that the cervical nerves, vagus nerve, glossopharyngeal nerve and facial nerves all pass through the outer ear canal, so it is possible that the smoke and heat of an ear candle may stimulate these nerves to some degree. But it is very doubtful whether this can produce any curative effects.
對於耳燭可治癒耳鳴、增強記憶力的說法，就有耳鼻喉科醫生指出，外耳道有頸椎神經、迷走神經、舌咽神經、顏面神經等，蠟燭的煙熱或許對這些神經有些刺激，但若要憑此達到治療效果，實在令人存疑。