Infrared Sauna Benefits & Research

Waon Therapy –

Waon Therapy for Cardiovascular Disease – Innovative Therapy for the 21st Century

What is Waon therapy?

  • Waon therapy involves warming the entire body in a dry sauna maintained at 60°C for 15 minutes.
  • Patients then rest outside the sauna covered in blankets for 30 minutes to maintain the soothing effect.
  • Fluids are provided after to prevent dehydration.

Effects of Waon therapy on chronic heart failure (CHF)

  • Improves hemodynamics, cardiac function, ventricular arrhythmias
  • Improves vascular endothelial function, neurohormonal factors, sympathetic nervous system function
  • Improves symptoms when administered for 4 weeks
  • Decreases cardiac size and improves ejection fraction
  • Decreases rate of death or hospitalization over 5 years

Mechanism of effect on CHF

  • Improves endothelial function in parallel with reducing BNP levels
  • Upregulates endothelial nitric oxide synthase (eNOS) expression in animal studies
  • eNOS upregulation improves cardiac and vascular function

Effects on peripheral arterial disease (PAD)

  • Substantially decreases pain scores and improves ankle-brachial pressure index and blood flow
  • Forms new collateral vessels on angiography
  • Heals ischemic ulcers

Mechanism of effect on PAD

  • Upregulates eNOS expression in a mouse model of hindlimb ischemia
  • Increases blood flow and capillary density through eNOS upregulation
  • Effect is abolished in eNOS-deficient mice, showing eNOS is critical

Effects on lifestyle-related diseases

  • Improves endothelial dysfunction related to atherosclerotic risk factors
  • Reduces oxidative stress levels


  • Waon therapy is a promising innovative therapy for cardiovascular diseases
  • It has pleiotropic effects and a good safety profile

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