The volatile organic compounds in spices directly stimulate the olfactory bulb, which has a dense, direct connection to the amygdala and hippocampus—the brain's epicenters for emotion and memory. This bypasses the thalamus, allowing scent to trigger powerful, immediate emotional and physiological responses.
Many spices contain aromatic compounds that have documented calming (e.g., linalool in coriander) or stimulating (e.g., cinnamaldehyde in cinnamon) effects on the nervous system, offering a form of natural, instantaneous aromatherapy.
For millennia, spices were currency, medicine, and status symbols. When you inhale cinnamon, you're smelling a compound that once crossed continents. This habit connects you to that deep human history in a single breath, grounding you in a story far larger than the present moment.
This is more than smelling; it's 'active olfaction.' By deliberately focusing on a complex scent, you engage prefrontal cortex resources, pulling you out of autopilot and into a state of curious, present-moment awareness.