Aromaterapia - The Effects of Scent on Emotions

Essential oils influence our emotions within seconds of inhalation. For
instance, clary sage stimulates the thalamus to release a hormone called
encephalon, a neurochemical that creates a sense of euphoria and provides
pain relief. Lavender and chamomile fuel the release of serotonin, which has
a calming effect on fear, stress, aggravation, or insomnia