What Is Red Light Therapy? Medically Reviewed by Poonam Sachdev on November 29, 2021 Written by Camille Noe Pagán How Does Red Light Therapy Work? What Does It Treat? What Are the Risks? Where Do You Get Red Light Therapy? Red light therapy (RLT) is a treatment that may help skin, muscle tissue, and other parts of your body heal. It exposes you to low levels of red or near-infrared light. Infrared light is a type of energy your eyes can’t see, but your body can feel as heat. Red light is similar to infrared, but you can see it. Red light therapy is also called low-level laser therapy (LLLT), low-power laser therapy (LPLT), and photobiomodulation (PBM). How Does Red Light Therapy Work? With red light therapy, you expose your skin to a lamp, device, or laser with a red light. A part of your cells called mitochondria, sometimes called the “power generators” of...
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