Smudginghttp://thespiritscience.net/2015/11/26/the-science-of-smudging-how-sage-actually-cleans-bacteria-in-the-air/?fbclid=IwAR3Kj08NkDYOH4F5cNDqV07YQYTiBjE3KjgvZztnogYahl35pu2Sxg68rDQ