"Laboratory tests found the fragrance and its chemical substitute dramatically calmed mice when their cage was filled with it, causing them to cease all activity and sit quietly in a corner. When the air was breathed in the scent molecules went from the lungs into the blood and were then transmitted to the brain.
Feeling stressed? Then go mow the lawn, claims researchBrain scans showed the effect on a chemical called GABA on nerve cells was enhanced by the fragrances and helped soothe, relieve anxiety and promote rest. Professor Hanns Hatt said the results published online in the Journal of Biological Chemistry can "be seen as evidence of a scientific basis for aromatherapy"."