Sauna bathing is a form of heat therapy that takes place in a room heated by burning wood, electricity or special infrared light waves. Sitting in a sauna may be particularly good for your heart. The heat can raise your skin temperature and cause heavy sweating  and just a short time in the sauna can produce a pint of sweat. As your body attempts to keep cool, your heart rate increases and may reach 100-150 beats per minute. Sauna also helps to reduce our fat. the sweet produce while we are inside sauna is all our fat. It burn our fat so its may help us with reduce our inches and if we are constantly use we may also reduce our weight.