Background: There is little to no scientific data about the health benefits or risks to participating in hot yoga, in particular distinguishing it from the practice of non-hot yoga. Aims: This study aims to provide some preliminary evidence about the risks and benefits of participating in hot yoga. Future studies will be able to build off the findings herein. Methods: This study utilized online survey software (Qualtrics) and recruited participants through convenience sampling (n = 157) by targeting yoga websites and online forums. As there is currently no known questionnaire that has been developed to assess the risks and benefits of hot yoga participation, an exploratory measure was designed to gain more detailed responses from participants. Descriptive epidemiological analyses we re conducted. Results : Participants of hot yoga had a number of pre-existing health conditions. Both benefits and adverse outcomes were reported. The most frequently reported health benefits of hot yoga in this sample included increased flexibility (63%), improved mood (58%), increased fitness (43%), and improved stamina (42%). Just over half of the participants reported some sort of adverse event during a hot yoga session (n = 82). The most commonly reported adverse events included dizziness (60%), feeling light headed (61%), nausea (35%), and dehydration (34%), amongst others. Conclusions: Further study on the risks and benefits of hot yoga participation is required.

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