Screens May Be Terrible for You, and Now We Know Why | WIRED

Screens May Be Terrible for You, and Now We Know Why | WIRED:

A fast-growing body of research has linked artificial light exposure to disruptions in circadian rhythms, the light-triggered releases of hormones that regulate bodily function. Circadian disruption has in turn been linked to a host of health problems, from cancer to diabetes, obesity and depression. “Everything changed with electricity. Now we can have bright light in the middle of night. And that changes our circadian physiology almost immediately,” says Richard Stevens, a cancer epidemiologist at the University of Connecticut. “What we don’t know, and what so many people are interested in, are the effects of having that light chronically.”

The title is a little hyperbolic in that the research doesn’t yet conclusively prove how bad blue light really is to our body. But the amount of evidence to support that is certainly growing and that is definitely worrying.

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