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Health impact assessment of introducing LED street lighting in Stockport

Evidence indicates that exposure to artificial bright light during the night-time suppresses melatonin secretion, increases sleep onset latency and increases alertness. Chronic ALAN exposure can cause circadian rhythm misalignment which may have negative effects on the psychological, cardiovascular and/or metabolic functions.

Read More: Health impact assessment of introducing LED street lighting in Stockport →

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In Eyes, a Clock Calibrated by Wavelengths of Light

Any sort of light can suppress melatonin, but recent experiments have raised novel questions about one type in particular: the blue wavelengths produced by many kinds of energy-efficient light bulbs and electronic gadgets.

Read More: In Eyes, a Clock Calibrated by Wavelengths of Light →

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