The importance of traditional healing practices for First Nations people has created interest in traditional ceremonies, including sweat lodges, which are increasingly incorporated into programs serving Aboriginal people. Despite the fact that traditional healing practices have always been valued by Aboriginal people, there is virtually no research on their efficacy. The results of a pilot study that measured the impact of the sweat lodge ceremony on the physical, mental, emotional, and spiritual domains of individual participants indicated that an increase in spiritual and emotional well-being of participants was directly attributable to the ceremony. (Contains 1 figure, 3 tables and 1 footnote.)