![]() Now that LED bulbs have become much more affordable, companies like GE and Philips are developing nonwhite lights for myriad other moods - using blue and amber and color-changing illumination to regulate our sleep cycles, boost productivity, and beyond. ![]() (These claims remain controversial: The clinically depressed shouldn’t use these lamps unsupervised, warns Michael Terman, director of the Center for Light Treatment and Biological Rhythms at Columbia University Medical Center, although he thinks the side-effect risk is minimal for those with “mild mood disturbances.”) But it’s not all about “happy” either. Clinical studies, like one published this month in the journal JAMA Psychiatry, have shown light-box therapy to be effective in treating not only seasonal but also clinical depression. Sales of happy lights - 10,000-lux white fluorescent bulbs intended to treat seasonal depression - have increased 12 percent every year for the past three years. The good news is an entire industry has sprouted to address these issues with … more light. Modern lighting, in other words, has thrown off our circadian clocks, leaving us tired, depressed, unfocused. ![]() A new array of therapeutic bulbs go beyond “happy” lights.Īlthough humans have evolved over millennia to sleep when it’s dark and wake when it’s bright, this fact can be easy to forget when hunched over our glaring desk lamps and iPhone screens at all sorts of sun-defying hours. ![]()
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