The Ultimate Guide to Red Light Therapy: How to Use Red and Near-Infrared Light Therapy for Anti-Aging, Fat Loss, Muscle Gain, Performance Enhancement, and Brain Optimization

by Ari Whitten

There is really no such thing as a purely near-infrared sauna—i.e. a sauna that only emits near-infrared and no far-infrared. If a sauna did that, it would not be a sauna at all, because it wouldn’t be hot (it would be room temperature).