by University of Copenhagen As day turns into night, and night turns into day, the vast majority of living organisms follow a fixed circadian rhythm that controls everything from sleep needs to body temperature. This internal clock is found in everything from bacteria to humans and is controlled by some very distinct hereditary genes, known...
Tag: <span>circadian rythm</span>
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LED light can damage eyes, health authority warns
by Amélie Baubeau The “blue light” in LED lighting can damage the eye’s retina and disturb natural sleep rhythms, France’s government-run healthwatchdog said this week. New findings confirm earlier concerns that “exposure to an intense and powerful [LED] light is ‘photo-toxic’ and can lead to irreversible loss of retinal cells and diminished sharpness of vision,” the French Agency for...