Researchers developing device to predict proper light exposure for human health

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By wearing this small wireless device being developed by scientists in Rensselaers Lighting Research Center users can monitor their daily rest and activity pattern as well as exposure to circadian light. The tool will have the capacity to communicate ...
By wearing this small, wireless device being developed by scientists in Rensselaer's Lighting Research Center, users can monitor their daily rest and activity pattern as well as exposure to circadian light. The tool will have the capacity to communicate with the user in real-time to give immediate feedback regarding proper light exposure to promote a synchronized circadian rhythm. Credit: Rensselaer/Dennis Guyon

Scientists have long known that the human body runs like clockwork, guided by a circadian system that responds to daily patterns of light and darkness. Now a team of researchers is developing a personal device to measure daily light intake and activity, which could allow them to predict optimal timing for light therapy to synchronize the circadian clock to the 24-hour solar day and relieve psychosocial stress.


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