Tag

Sunlight
11
Aug

An Unexpected Role: UVA-Induced Release of Nitric Oxide from Skin May Have Unexpected Health Benefits

August 11, 2022
Halliday GM, Byrne SN. An unexpected role: UVA-induced release of nitric oxide from skin may have unexpected health benefits. J Invest Dermatol. 2014 Jul;134(7):1791-1794. doi: 10.1038/jid.2014.33. PMID: 24924758. https://www.jidonline.org/article/S0022-202X(15)36897-4/fulltext
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20
Jun

Infrared and skin: Friend or foe

June 20, 2022
Barolet D, Christiaens F, Hamblin MR. Infrared and skin: Friend or foe. J Photochem Photobiol B. 2016 Feb;155:78-85. doi: 10.1016/j.jphotobiol.2015.12.014. Epub 2015 Dec 21. PMID: 26745730; PMCID: PMC4745411. Abstract In the last decade, it has been proposed that the sun’s IR-A wavelengths might be deleterious to human skin and that sunscreens, in addition to their...
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17
Mar

Time to Sleep?—A Review of the Impact of the COVID-19 Pandemic on Sleep and Mental Health

March 17, 2022
Neculicioiu, V.S.; Colosi, I.A.; Costache, C.; Sevastre-Berghian, A.; Clichici, S. Time to Sleep?—A Review of the Impact of the COVID-19 Pandemic on Sleep and Mental Health. Int. J. Environ. Res. Public Health 2022, 19, 3497. https://doi.org/10.3390/ijerph19063497 Abstract Sleep is intrinsically tied to mental and overall health. Short sleep duration accompanies the modern lifestyle, possibly reaching epidemic proportions. The...
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21
Oct

Photophysiological cycles in Arctic krill are entrained by weak midday twilight during the Polar Night

October 21, 2021
Cohen JH, Last KS, Charpentier CL, Cottier F, Daase M, Hobbs L, et al. (2021) Photophysiological cycles in Arctic krill are entrained by weak midday twilight during the Polar Night. PLoS Biol 19(10): e3001413. https://doi.org/10.1371/journal.pbio.3001413 Abstract Light plays a fundamental role in the ecology of organisms in nearly all habitats on Earth and is central...
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21
Jun

Sunlight & Health Update 2021

June 21, 2021
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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11
May

Association between sunlight exposure and risk of prostate cancer: a systematic review and meta-analysis

May 11, 2021
Jong-Gyum Yoon, Hong-Bae Kim, Association between sunlight exposure and risk of prostate cancer: a systematic review and meta-analysis,  European Journal of Public Health, 2021;, ckab059,  https://doi.org/10.1093/eurpub/ckab059 Abstract Background The prevalence of prostate cancer (PC) is increasing worldwide. An association between sunlight exposure and PC risk has been described by a previously published meta-analysis, although the...
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01
May

Nighttime Light Hurts Mammalian Physiology: What Diurnal Rodent Models Are Telling Us

May 1, 2021
Mendoza, J. Nighttime Light Hurts Mammalian Physiology: What Diurnal Rodent Models Are Telling Us. Clocks & Sleep 2021, 3, 236-250. https://doi.org/10.3390/clockssleep3020014 Abstract Natural sunlight permits organisms to synchronize their physiology to the external world. However, in current times, natural sunlight has been replaced by artificial light in both day and nighttime. While in the daytime, indoor artificial light...
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23
Apr

Ultraviolet A Radiation and COVID‐19 Deaths in the USA with replication studies in England and Italy

April 23, 2021
Cherrie, M., Clemens, T., Colandrea, C., Feng, Z., Webb, D., Weller, R. and Dibben, C. (2021), Ultraviolet A Radiation and COVID‐19 Deaths in the USA with replication studies in England and Italy. Br J Dermatol. Accepted Author Manuscript. https://doi.org/10.1111/bjd.20093 Abstract Background Understanding factors impacting deaths from COVID‐19 is of the highest priority. Seasonal variation in environmental...
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29
Mar

Why the Sun is Necessary for Optimal Health

March 29, 2021
Alexander Wunsch, MD, Wismar University of Applied Sciences, Germany gives a historical perspective on sunlight exposure and explains how both the public’s and medical community’s perspective has changed over time. Recorded on 12/09/2014. [3/2015] [Show ID: 29076] Please Note: Knowledge about health and medicine is constantly evolving. This information may become out of date. More...
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05
Mar

Skin Exposure to Narrow Band Ultraviolet (UVB) Light Modulates the Human Intestinal Microbiome

March 5, 2021
Bosman ES, Albert AY, Lui H, Dutz JP, Vallance BA. Skin Exposure to Narrow Band Ultraviolet (UVB) Light Modulates the Human Intestinal Microbiome. Front Microbiol. 2019;10:2410. Published 2019 Oct 24. doi:10.3389/fmicb.2019.02410 Abstract The recent worldwide rise in idiopathic immune and inflammatory diseases such as multiple sclerosis (MS) and inflammatory bowel diseases (IBD) has been linked to...
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