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The Light Bulbs You Need to Get Rid of IMMEDIATELY (New Research). The light bulb above your head right now may be quietly STARVING every cell in your body. Scientists just gave it a name: 21st century SCURVY. In less than one generation we deleted 95% of the natural light spectrum from human life, and almost nobody noticed. Press your finger over your phone's flashlight and you'll see a deep red glow. That's near-infrared light passing straight through your hand - the exact wavelength band that