Aromatics which include essential oils, perfume, centred candles and incense, have been used for centuries to affect the mind (and also, ultimately, the body) in a positive a This practice finds its origins in religion and primitive beliefs. Aboriginal Australians burned the leaves of eucalyptus to fumigate an area from viruses. Aboriginal Americans use sage and cedar and the Slavs, such plants as sunflower, pine and garlic peels for the same purposes. This was done because occult powers were thought to be sensitive to fragrances and could protect against fever, sorcery, epidemics and demonic charms.