April 2025 – COMPARISON BETWEEN FAR-INFRARED & INFRARED SAUNAS
Far-infrared (FIR) radiation and infrared radiation are both parts of the electromagnetic spectrum, but they differ in wavelength ranges and, consequently, in their interactions with biological tissues. Infrared radiation encompasses wavelengths from approximately 0.75 to 1000 micrometers, divided into near-infrared (0.75–1.5 µm), mid-infrared (1.5–5.6 µm), and far-infrared (5.6–1000 µm) regions.
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