When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with your body's internal systems. Yet here's something lighting manufacturers ...

So white light is basically all the wavelengths put together. But what you do with research, research has shown that exposure ...

Before we get into which products you should buy, there is much to learn about LED. When I first heard about light therapy as skincare, I thought it might be a fad. But forms of light therapy, also ...

Prolonged close-up work, such as using a cellphone or computer, or extended exposure to bright light, can harm your eyes and overall health. After a laboratory at Tsinghua University installed LED ...

Light pollution blues: photographs of London taken on board the ISS in 2012 (left) and 2020 (right). The images show the whitening and brightening of the city. (Courtesy: A Sánchez de Miguel et ...

Eye strain may be a real concern for those spending prolonged time on digital devices. Find out if blue light glasses and other ways to reduce eye strain can help.