Although there’s great interest in discussing the potential downsides of blue light, the explosion of the number of personal screens is still outpacing what’s known about its effect on human health.
a person’s circadian rhythm if people spend time with screens before sleep. This can lead to several negative health effects.
This new study was an effort to understand exactly what caused these negative effects. In order to rule out whether or not it was damaged eyes that caused these results, the scientists experimented on mutant flies without eyes. These flies were either kept for 10 or 14 days in constant blue light or in constant darkness.
Together, these changes suggest that blue light disrupted cellular pathways critical for energy production.Brian Zoltowski “So long as you’re not intentionally flooding yourself with large amounts of blue light, there is not much risk,” said Zoltowski. “The bigger issue for people is the negative effect blue light can have on our circadian rhythm if we’re exposed to it at certain times of the day.”
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