How dangerous is a blue light on smartphones?

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The blue light emitted by smartphones, tablets, and computers has been considered harmful. But according to a recent study might be less dangerous than thought.

We’re exposed to it all the time, but scientists are undecided about what effects blue light has on our health. What’s certain is that blue light has a long-term impact on children’s brains and is also bad for our eyes. But a new study finds answers to more questions.

Is blue light harmful?

We often hear that this light emitted by smartphones, tablets, and computers affects our bio-rhythms and, before, our sleep. It could also cause vision problems and promote obesity.

However, according to a new study by researchers at the University of Manchester (United Kingdom), blue light could be less harmful than previously thought. Indeed, the results state that blue light at dusk is better for the internal clock in mice than yellow light.

To reach this conclusion, the researchers start from the premise that natural sunlight at dusk is more similar to the wavelengths of blue light than yellow light. According to the researchers, the ideal situation would be to use yellow light during the day and blue light on the screen in the evening.

In the past, it is already proven that aligning our internal clock with our social and professional schedule has a good effect on our health. Using light in the right color can help us do that better.

So when we listen to our internal clock, we also do something good for our health. So folks, listen to your body; after all, it knows what’s good for you!

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