Terpenes are fragrant oils that the plant secret that give cannabis its aromatic diversity. These oils are secreted in the flower’s sticky resin glands (trichomes), which produce THC, CBD, and other cannabinoids. Terpenes act like cannabinoids in which they also bind to receptors in the brain when ingested.
I have not come across any peer reviewed research articles or studies on the aroma-therapeutic benefits of cannabis. However, traditional Indian Medicine dating back to 2000 BC record using cannabis oil, as it can relax or energize you. Some of the more common terpenoids found in cannabis are also found in other plants like:
The terpenes give off the same type of odor no matter which plant produces them.