Add Yahoo as a preferred source to see more of our stories on Google. Many Americans spend more than seven hours in front of screens daily, which can affect your skin. (Getty Images) (d3sign via Getty ...

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 ...

When cities transform into a colorful world of lights as darkness falls, it's often only possible to estimate their contours, which depending on the perspective can draw the attention to key details ...

Headaches and migraine attacks can be debilitating, and for many who experience them, bright screens only make the pain worse. Now that digital devices are a constant part of our lives, blue light ...

Blue light therapy uses light to treat certain conditions on or just under the skin. It’s considered a pain-free procedure. Blue light therapy becomes photodynamic therapy when it uses a combination ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

It's no secret that once we hit 40, our skin starts going through some pretty rough changes. Those pesky crow's feet around our eyes seem to appear out of nowhere, once-cute freckles are now joined by ...

As a whole, we spend a lot of time in front of screens. In fact, 43 percent of adults have jobs that require the usage of a tablet or computer, and kids in the US between the ages of 8 and 12 spend ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.