Blue Light Speeds Up Aging? In Flies, Maybe

Wednesday in the journal Frontiers in Aging, the team wanted to get a better understanding of why these effects seem to happen.

To do this, they compared two groups of fruit flies: one that had been left under constant blue light for 10 or 14 days, and the other that had been kept in complete darkness instead. They specifically focused on the metabolism of both fly groups, or how the insects broke down nutrients and other molecules for energy. The blue light flies once again showed signs of premature aging and neurodegeneration.

Blue light is one of the shortest wavelengths of light on the visible spectrum, meaning that it’s relatively high energy. For some time, it’s been suspected that blue light from our phones and other devices as well LED lighting could be harmful to human health, particularly our eyes.

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