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Light
Jun 14, 2021 Dr. med. Alexander Wunsch Presentation (approx. 22 min.) by Dr. med. Alexander Wunsch, held online on 09 June 2021 on the occasion of the 4th International Scientific Congress of the International College of Cosmetology. The presentation covers the three topics of UV radiation, vitamin D and the significance of full spectra.
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Stenvers, D.J., Scheer, F.A.J.L., Schrauwen, P. et al. Circadian clocks and insulin resistance. Nat Rev Endocrinol 15, 75–89 (2019). https://doi.org/10.1038/s41574-018-0122-1 Abstract Insulin resistance is a main determinant in the development of type 2 diabetes mellitus and a major cause of morbidity and mortality. The circadian timing system consists of a central brain clock in the hypothalamic suprachiasmatic nucleus and various peripheral...
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Ikegami, K., Refetoff, S., Van Cauter, E. et al. Interconnection between circadian clocks and thyroid function. Nat Rev Endocrinol 15, 590–600 (2019). https://doi.org/10.1038/s41574-019-0237-z Abstract Circadian rhythmicity is an approximately 24-h cell-autonomous period driven by transcription–translation feedback loops of specific genes, which are referred to as ‘circadian clock genes’. In mammals, the central circadian pacemaker, which is located in the hypothalamic...
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Schligler Jules, Cortese Daphne, Beldade Ricardo, Swearer Stephen E. and Mills Suzanne C. 2021 Long-term exposure to artificial light at night in the wild decreases survival and growth of a coral reef fish. Proc. R. Soc. B.2882021045420210454 http://doi.org/10.1098/rspb.2021.0454 Abstract Artificial light at night (ALAN) is an increasing anthropogenic pollutant, closely associated with human population density,...
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Wilson, A.A., Ditmer, M.A., Barber, J.R., Carter, N.H., Miller, E.T., Tyrrell, L.P. and Francis, C.D. (2021), Artificial night light and anthropogenic noise interact to influence bird abundance over a continental scale. Glob Change Biol. https://doi.org/10.1111/gcb.15663 Abstract The extent of artificial night light and anthropogenic noise (i.e., “light” and “noise”) impacts is global and has the capacity...
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Barentine, J.C.; Walczak, K.; Gyuk, G.; Tarr, C.; Longcore, T. A Case for a New Satellite Mission for Remote Sensing of Night Lights. Remote Sens. 2021, 13, 2294. https://doi.org/10.3390/rs13122294 Abstract The physiology and behavior of most life at or near the Earth’s surface has evolved over billions of years to be attuned with our planet’s natural light–dark cycle...
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Nelson RJ, DeVries AC. Medical hypothesis: Light at night is a factor worth considering in critical care units. Adv Integr Med. 2017;4(3):115-120. doi:10.1016/j.aimed.2017.12.001 Abstract Exposure to light at night is not an innocuous consequence of modernization. There are compelling data linking long-term exposure to occupational and environmental light at night with serious health conditions, including heart...
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Photo by Q.U.I on Unsplash “There is little recognition that Earth’s orbit is a finite resource, the space and Earth environments are connected, and the actions of one actor can affect everyone.” Published: 20 May 2021 Boley, A.C., Byers, M. Satellite mega-constellations create risks in Low Earth Orbit, the atmosphere and on Earth. Sci Rep 11, 10642 (2021). https://doi.org/10.1038/s41598-021-89909-7 Photo by...
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British Society for Neuroendocrinology Briefing 58 Dr Manuel Spitschan In addition to seeing the colourful and detailed world around us, light profoundly impacts our brains and bodies – exposure to light in the evening and at night suppresses the production of melatonin and disrupts our circadian rhythm, which can have negative consequences on physical and...
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Sahel, JA., Boulanger-Scemama, E., Pagot, C. et al. Partial recovery of visual function in a blind patient after optogenetic therapy. Nat Med (2021). https://doi.org/10.1038/s41591-021-01351-4 Abstract Optogenetics may enable mutation-independent, circuit-specific restoration of neuronal function in neurological diseases. Retinitis pigmentosa is a neurodegenerative eye disease where loss of photoreceptors can lead to complete blindness. In a blind patient, we combined...
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