| abstract |
Apparatus is provided that includes an oral housing, which is configured to be placed at least partially in a mouth of a subject, and which comprises a drug, and two or more electrodes. The apparatus further includes a power supply, and circuitry coupled to the power supply and the electrodes, and configured to drive the electrodes to drive, into oral tissue of the subject, a current having a frequency of between 30 and 300 kHz. Other embodiments are also described. |