Vanilla comes from Mexico City, Panama and the West Indies. The Aztecs were very fond of vanilla as a spice. In ancient times, healers used the scent of vanilla to treat mental illnesses and nervous breakdowns. It is believed that the aroma of vanilla brings a sense of security in the unconscious and relieves anxiety and fears. This calm scent, helps to reduce anger and other negative emotions. If you want to talk to someone in a sincere way, that someone opens up to you and trusts you, scenting the room with vanilla will help you.