A recent study in which rats could self-administer cannabis vapor may provide a useful research model for humans.
The study’s most significant finding was that the ingestion of cannabis resulted in drug-seeking behavior not unlike that common in human users of cannabis.
Another significant observation describes some familiar behavior the rats exhibited after receiving the cannabis vapor.
The rats consumed more food while under the influence, a phenomenon reminiscent of human “munchies,” and their activity levels were lower than they would normally be. Even so, they burned more calories than either of the other groups.