When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

Light-emitting diodes (LEDs) can cause headaches or trigger migraine in some people. However, some research suggests green LEDs may help with migraine symptoms and headaches. Exposure to LEDs occurs ...