The blue light in LED lighting that is increasingly used in our homes can damage the eye’s retina while disturbing our biological and sleep rhythms, a French health authority warned in a new report.

LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

Learn why LED lights are a much more efficient lighting alternative. Thomas Edison perfected the first incandescent light bulb in 1879. It burned for 13.5 hours. And incandescent bulbs are still ...