Photo: WLADIMIR BULGAR/SCIENCE PHOTO LI
Ketamine has a verity of uses, most famously as horse tranquillizer.
But since the 1950s it also been used for anesthesia and pain relief, more recently it's found popularity as a recreational drug.
One of its lesser-known uses is in the treatment of depression.
Traditionally that has a been moderately successful but comes with a high rate of relapse back into depression once the treatment ends.
A new study out of the University of Otago is looking to change that.
Jesse talks to lead researcher Associate Professor Ben Beaglehole.
