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To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...

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 ...

Too much screen time could be taking a toll on your mental health. That’s because your smartphone, tablet, laptop, and TV all give off blue light. So do fluorescent and LED (light-emitting diode) ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

Blue light is a buzzy idea right now. There are glasses to shield your eyes from it, and you’re constantly told to power down your digital devices before bed so that their blue light doesn’t mess with ...