Light Therapy, Explained: What Your Cells Actually Do With Red and Near-Infrared Light
You’re staring at forty-seven red light panels on Amazon. One claims to “reverse aging at the cellular level.” Another promises “NASA-developed technology.” A third has 4,200 five-star reviews and a name you can’t pronounce. The price range runs from $39 to $3,900, and every single listing sounds like it was written by the same breathless…