Blue light also slows or stops your body’s release of melatonin, the hormone that regulates sleep. In one study, participants using an e-reader at bedtime took longer to fall asleep and reported ...

Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.

Blue light from computer screens and smartphones stimulates eyes and can cause sleep problems — but a new analysis finds blue light blocking glasses may not be much help.

Sea Sparkle: The blue glow that’s lighting up Hong Kong’s water THE glow might look beautiful at first, but these fluorescent blue patches of water have an ugly and potentially toxic side.

Adding a blue light-filter to your eyeglasses won’t ease computer eye strain or protect your sleep, according to a new review, but other actions can help.