Aromatherapy uses the volatile oils distilled from medicinal plants to treat a variety of health conditions. The effects of smells can help with many medical issues from fatigue to headaches to insomnia and many other ailments. Aromatherapy has been around for over 6000 years, it was used by the Romans, Greeks, and the Ancient Egyptians, however the term aromatherapy wasn't coined until the 1930's. As far as the difference in the massages, a warm massage helps to release the smells of the essential oils used for messages and is therefore more beneficial from that stand point. For more info on aromatherapy go to http://www.holisticonline.com