Blue light exists on the color spectrum with some of the shortest wavelengths and highest energy. This distinctive property explains both its beneficial and potentially problematic effects on the ...

The common assumption is blue light is bad news for sleep — and with right reason. A 2022 systematic review by Swiss ...

There were no serious side effects. It’s also been used to treat mild to moderate acne. A study found blue light lowered the number of blackheads, whiteheads, and other acne after 7 days of ...

While concerns about blue light from screens exist, it's minimal compared to sunlight. Key steps for managing eyestrain include proper vision correction, ergonomic practices, and simple habits ...

For years, scientists have expressed concern about potential adverse health effects of excessive exposure to short wavelength light (SWL), which includes the "blue light" from smartphones ...

While evening blue light suppresses melatonin and delays sleep onset, morning exposure to this same wavelength has the opposite effect on your circadian rhythm. That bright, blue-rich light ...

Since ditching all digital devices isn’t a realistic option, here are a few tips to ward off blue light’s effects. Cut down on screen time. Taking regular breaks from computer or TV screens ...

For instance, one study found that exposure to blue light had a positive effect on how your brain processes, alertness, and reaction times. For athletes, this may improve decision-making and help ...

Reasons for the conflicting results may include differences between studies in the intensity, wavelengths, duration, and timing of light; differences in outcome variables; and effects of ...