Five years on, and the store – currently understood to be the only major supermarket in partnership with the discount scheme – has now said it will end its affiliation later this month. In a statement ...

Blue-light-blocking glasses reduce how much blue light from electronic devices reaches your eyes. But it’s unclear how beneficial this actually is. You’re probably doing it right now — looking at a ...

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Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

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