The Science

"Sauna use linked to longer life, fewer fatal heart problems" - Harvard Health Publishing

"Sauna bathing is associated with many health benefits, from cardiovascular and cognitive health to physical fitness and muscle maintenance." - ScienceDirect

"In 2016, researchers from Finland published findings of a 20-year study that linked sauna use with a lower risk of dementia and Alzheimer’s disease."  - Medical News Today

The science behind infrared saunas revolves around the principle of using infrared radiation to heat the body directly, leading to a range of potential health benefits. Infrared radiation is a part of the electromagnetic spectrum, lying just beyond the visible light spectrum. It's divided into three categories: near-infrared (NIR), mid-infrared (MIR), and far-infrared (FIR). Infrared saunas typically utilize the far-infrared spectrum, which is known for its ability to penetrate the skin and generate heat at deeper tissue levels.

When you step into an infrared sauna, the infrared heaters inside emit FIR rays. These rays are absorbed by the body's surface, and they penetrate the skin to a depth of around 1.5 inches (4 centimeters) or more. As these rays are absorbed, they gently raise the body's core temperature, inducing a state of controlled hyperthermia. This deep heating effect triggers several physiological responses.

The benefits of infrared saunas

  • Improved Circulation

    Infrared heat increases blood flow, which can lead to better circulation, reduced blood pressure, and enhanced cardiovascular health.

  • Pain Relief

    Some studies suggest that infrared saunas could provide relief from certain types of pain, such as musculoskeletal pain and arthritis. The heat may help relax muscles, reduce inflammation, and ease discomfort.

  • Stress Reduction

    Like traditional saunas, infrared saunas promote relaxation and stress reduction. The heat and warmth help soothe both the body and mind, which can lead to reduced stress and improved overall well-being.

  • Improved Immune Function

    Research suggests that infrared sauna use might have a positive impact on immune system function. Some studies have indicated potential increases in white blood cell counts, which play a role in immune response.

  • Detoxification

    Sweating can aid in the elimination of toxins, heavy metals, and other waste products from the body.

  • Weight Loss

    Some proponents of infrared saunas suggest that the increased heart rate and calorie expenditure associated with sauna use could contribute to weight loss.

  • Skin Health

    Infrared saunas can improve skin tone, texture, and elasticity by promoting collagen production and cleansing pores.

  • Muscle performance & recovery

    Heat energy from the sauna accelerates blood circulation and supplies more oxygen around the body. Increased blood flow reduces inflammation, relieves pain and promotes muscle recovery.

There are many more benefits you can read about, but remember that individual experiences may vary, and it's essential to use infrared saunas safely and consult with a healthcare professional if you have any underlying health conditions.