Todd discusses the differences between infrared and traditional saunas, highlighting that while traditional saunas have decades of proven benefits, infrared options are still being studied for their effectiveness. He emphasizes the slower heating process of infrared saunas, which can impact the efficiency of contrast therapy, making it less effective for quick temperature changes. Jennifer shares her personal experience with the challenges of using cold plunges alongside infrared saunas, illustrating the practical difficulties of contrast therapy.