The benefits of infrared saunas include relaxation and stress relief, detoxification by removing heavy metals through sweat, athletic recovery with muscle relaxation and soreness reduction, pain relief especially for chronic conditions, improved circulation, enhanced heart health through better blood flow and blood pressure, and skin health improvements like increased collagen and better complexion. Infrared saunas work by using light to warm the body directly, providing a deep, efficient sweat at lower temperatures compared to traditional saunas, which promotes these health benefits effectively.