Light or better still visible Light, refers to electromagnetic radiation that can be detected by the naked human eye. Normally when light pass through a prism, it separates into different colors based on their wavelength which are; Red, Orange, Yellow, Green, Blue, Indigo, Violet (ROYGBIV).This book reveals the therapeutic importance and usefulness of Red light to human health. Doctors/health practitioners refer to Red Light Therapy as a "miracle drug", a drug that is not a pill. Red light therapy has powerful anti-aging effects on our skin, combat neurological disease, fight depression and anxiety, increase weight or fat loss, speed recovery from aching body, increase strength and endurance and many more.Also in this book, all gray areas as to the safety of the use of the RLT treatment was explained and made clear. Most importantly, this book is your best guide on how your choosing a/an RLT device or gadget to acquire. Happy red-lighting & do enjoy your therapy session.