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For years, scientists have expressed concern about potential adverse health effects of excessive exposure to short wavelength light (SWL), which includes the "blue light" from smartphones, laptops, and tablets. However, the International Commission on Non-Ionizing Radiation Protection (ICNIRP) has identified a lack of consensus among public health officials about whether SWL from artificial sources disrupts circadian rhythm, and if so, whether SWL-disrupted circadian rhythm is associated with adverse health outcomes. ICNIRP presents an extensive statement on SLW exposure in the April issue of Health Physics, published in the Lippincott portfolio by Wolters Kluwer. For more information, read here.