This podcast episode delves into the topics of hot yoga, cold yoga, and the science of body temperature. The hosts discuss the effects of temperature on the body during yoga and other movement practices, addressing questions about the safety and benefits of hot yoga, the origins of hot yoga, and the prevalence of hot and cold yoga in the Western world. They also explore the concept of thermoregulation and how the human body regulates temperature through sweating. The conversation touches on the physiological aspects of hot yoga, the misconception of overstretching, and the debunking of detoxification claims. The episode also explores the concept of total energy expenditure and its relationship with metabolism, as well as the effects of hot and cold yoga on exercise intensity and calorie expenditure. The speakers discuss the differences between cryotherapy, hot yoga, and cold yoga, and emphasize the importance of personal preference and consistency in practice over the specific temperature in which yoga is performed.