Problem: The importance of the amygdala and hippocampus in processing aromas as the amygdala governs emotional responses and the hippocampus assists in the formation and retrieval of memories. Further, that the limbic system interacts with the cerebral cortex, which is directly connected to the parts of the brain that control heart rate, blood pressure, breathing, stress levels, and hormone levels. This is essential in understanding why essential oils can impact our overall health and wellbeing.