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The Red Light Therapy is incredible. I have been using it for about 3 months. The book is excellent. It explains what is happening and how to use it for different health challenges. It also helps you to decide which unit to purchase.
Nancy Reinstein PhD, RD
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