Found in many health clubs, spas and hotels, infrared saunas use ceramic or metallic elements that produce radiant heat. During a sauna session, this heat penetrates the layers of the skin, raising the body's temperature. With regular use, infrared sauna treatments can impart several health benefits, including improved blood circulation, detoxification and relaxation, say health experts and sauna therapy enthusiasts.
Improves Blood Circulation
Infrared sauna therapy helps lower blood pressure and increase blood circulation, said Dr. Mehmet Oz on "The Oprah Winfrey Show." Heating the body's tissues causes blood vessels and capillaries to dilate, which promotes improved blood flow. Additionally, sauna therapy increases the heart rate, simulating the effects of cardiovascular exercise, says Dr. Lawrence Wilson, author of "Sauna Therapy." A sauna treatment also helps boost oxygen in the tissues and improve the elasticity of the arteries, Wilson says. Additionally, sauna therapy can increase metabolic activity and help your body burn fat more efficiently.
Detoxifies, Decongests, Kills Bacteria
As the body heats, you begin to perspire. This therapeutic sweating detoxifies the skin and helps it eliminate heavy metals and toxic chemicals, Wilson says. He cites medical studies that have shown that most toxins can be eliminated through the skin, which is the largest organ of the body. Sauna therapy also decongests the body's other internal organs, promoting optimal functioning, Wilson says. Raising body temperature also helps the body kill bacteria, fungi, parasites and viruses, he says. Low body temperature, Wilson says, is the reason some people retain chronic infections in the sinuses, ears, eyes, bladder, throat and intestines.
Relieves Stress, Promotes Relaxation
Indulging in the warm, dry heat of an infrared sauna also brings mind-body benefits. Far infrared waves can penetrate human tissue 1.5 to 3 inches deep. The therapy relaxes muscles, relieves stiff joints and eases muscle spasm pain due to arthritis or as a result of physical activity or injury. A half-hour sauna session also can relax the nervous system and bring a sense of calm after a stressful day. Sauna therapy also helps many people sleep more soundly, the Finnish Sauna Society says.
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