Celebrity-backed devices promise meditative ‘sober trips’. Researchers are studying how rhythmic light reshapes visual experience and mood.

Specific rhythms of flickering light can synchronise brain activity, offering clues about perception and possible future ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

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 ...

We’re staring at our devices more than ever, and besides eating up our time, they’re giving off tons of light. Blue light has gotten an especially bad rap, but that’s not quite fair: It’s just one ...

Blue light therapy may help with depression, but it is still not clear exactly how effective it is. Depression is a mood disorder associated with a loss of interest in activities, low mood, and ...