In a study of 129 people with heart failure, the treatment, called Waon therapy, cut the risk of hospitalization or dying of heart disease by more than half.
The treatment is a lot cooler than a traditional steam sauna that reaches about 176 degrees Fahrenheit.
Under medical supervision, the patient lies on a bench in a 140 degree Fahrenheit, infrared dry sauna for 15 minutes. Infrared saunas use a special heater that generates infrared radiation similar to that produced by the sun.
Read the full article at WebMD.com http://www.webmd.com/heart-disease/heart-failure/news/20080402/warm-sauna-may-help-treat-heart-failure (new window)