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Author |
Penchalaiah, K., Kumari, A.V., Naik, R.S., Deepthi, M. |
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Title |
Paederus Dermatitis: A Clinical Study of 200 Cases |
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Journal Article |
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2017 |
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Indian Journal of Applied Research |
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7 |
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4 |
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65-67 |
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Human Health |
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Introduction: Paederus dermatitis is peculiar irritant dermatitis seen in regions with warm, tropical and subtropical regions, like India, causes significant morbidity and can be misleading in diagnosis. The study was conducted to know the clinical profile of Paederus dermatitis and to create awareness among medical practitioners about this condition. Materials & Methods: All clinically diagnosed cases of Paederus dermatitis were included in the study. Detailed history was taken and a thorough clinical examination was conducted in all the cases. Results: A total of 200 cases comprising of 124 males and 76 females were studied. Morphology of lesions was mainly linear, but zosteriform, kissing and bizarre lesions were also observed. Conclusion: Paederus dermatitis should be included in differential diagnosis while examining erythemato– vesicular lesions of sudden onset, especially on exposed body parts during rainy and post rainy season. Awareness of this condition and its clinical features among the physicians and medical practitioners will prevent misdiagnosis. |
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NC @ ehyde3 @ |
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2069 |
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Author |
Gall, D. |
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Title |
Die Messung circadianer Strahlungsgrößen |
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Journal Article |
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2004 |
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Technische Universität Illmenau |
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17 |
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Human Health |
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LoNNe @ kagoburian @ |
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754 |
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Gubin, D.; Weinert, D.; Solovieva, S.V.; Durov, A.M.; Litvinova, N.S.; Danilova, L.A.; Prokopiev, N.Y.; Trushnikov, D.Y.; Kartashova, E.A. |
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Title |
Melatonin attenuates light-at-night effects on systolic blood pressure and body temperature but does not affect diastolic blood pressure and heart rate circadian rhythms |
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Journal Article |
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2020 |
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Biological Rhythm Research |
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Biological Rhythm Research |
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51 |
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5 |
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780-793 |
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Human Health; Melatonin; circadian rhythms; body temperature; blood pressure; heart rate; constant routine; ambient light; light at night; young adults; sex; gender |
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Aim of the present study is to assess whether 1.5mg of exogenous melatonin provided under modified CR in constant light (~400 lx) is capable to mimic effects of dark phase. Forty-six young adults (YA), 17–24 years old of both genders were studied under amodified CR protocol for 26 h. Initially, participants were investigated under constant light (CR-LL) and 2 weeks later under the same conditions though 1.5mg melatonin (Melaxen) was given orally at 22:30. Systolic blood pressure (SBP) and diastolic blood pressure (DBP), heart rate (HR) and body temperature (BT) were measured every 2 h. To verify the effect of constant light, formerly published results obtained under light-dark conditions (CR-LD) were reanalyzed.
Administration of 1.5 mg of exogenous melatonin modified the 24 h patterns of BT and SBP within short 3.5 h time window but did not influence DBP and HR. A short-term reduction of SBP and BT for 1.5–3.5 hours was observed. The values in the CR-LL+M group were significantly lower than in CR-LL at 2:00 h. Hence, exogenous melatonin did mimic the scotophase. Though this effect was gender-specific and found only in female YA.
Results of this study prompt further research to qualify and quantify dosage-, duration- and time-dependent differences of melatonin effects, to discern between short-term (acute) and long-term (chronic) melatonin administration, and to clarify its underlying mechanisms. |
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Taylor & Francis |
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English |
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English |
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0929-1016 |
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IDA @ john @ |
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3388 |
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Rybnikova, N.A.; Portnov, B.A. |
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Outdoor light and breast cancer incidence: a comparative analysis of DMSP and VIIRS-DNB satellite data |
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2016 |
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International Journal of Remote Sensing |
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International Journal of Remote Sensing |
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38 |
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21 |
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5952-5961 |
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Human Health |
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Several population-level studies explored the association between breast cancer (BC) incidence and artificial light-at-night (ALAN), and found higher BC rates in more lit areas. Most of these studies used ALAN satellite data, available from the United States Defence Meteorological Satellite Program (US-DMSP), while, in recent years, higher-resolution ALAN data sources, such as Visible Infrared Imaging Radiometer Suite Day-Night Band (VIIRS-DNB), have become available. The present study aims to determine whether the use of different ALAN data sources may affect the BC–ALAN association. As the test case, we use data on BC incidence rates in women residing in the Greater Haifa Metropolitan Area (GHMA; Israel), matching them with US-DMSP and VIIRS-DNB data on ALAN intensities, and controlling for several potential confounders, including age, fertility, and socio-economic status (SES). Both ordinary least squares (OLS) and spatial dependency models were used in the analysis. ALAN emerged as a stronger predictor of BC rates in models based on better-resolution VIIRS-DNB estimates (t > 6.035; p < 0.01) than in models based on coarser US-DMSP data (t < 4.196; p < 0.01). |
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0143-1161 |
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LoNNe @ kyba @ |
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1552 |
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Schröter-Schlaack, C.; Schulte-Römer, N.; Revermann, C. |
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Title |
Lichtverschmutzung – Ausmaß, gesellschaftliche und ökologische Auswirkungen sowie Handlungsansätze |
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Report |
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2020 |
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186 |
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1-200 |
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Review; Skyglow; Ecology; Human Health; Lighting; Public Safety; Remote Sensing |
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Künstliches Licht kann als eine der größten technischen Errungenschaften der Menschheit angesehen werden, die erhebliche Veränderungen bzw. Fortschritte der Arbeits- und Lebensweisen ermöglichen. Mit künstlicher Beleuchtung wird aber auch der natürliche Rhythmus von Tag und Nacht verändert und damit das Gesamtgefüge des Naturhaushaltes und der Nachtlandschaft transformiert. Ein natürlich dunkler Nachthimmel ist in Deutschland selten geworden. Licht-glocken über urbanen Gebieten sind weit weg von ihrem Entstehungsort in unbeleuchteten Gebieten noch sichtbar und lassen Sterne und die Milchstraße unkenntlich werden. Nicht nur das direkte elektrische Licht erleuchtet unsere Umwelt, sondern auch der nach oben abgestrahlte und reflektierte Teil des Lichts. Schichten der Atmosphäre, Staub oder Wassertropfen reflektieren und streuen das Licht. Dieser auch als Skyglow bezeichnete Effekt bewirkt eine zusätzliche Erhellung. Neben dieser künstlich erhöhten Himmelshelligkeit kann Licht auch die direkte Umgebung ungewollt aufhellen oder durch Blendung das Sehen einschränken. Licht ist ein wichtiger externer Zeitgeber für die innere Uhr der Lebewesen, an dessen natürlichen Rhythmus sich Menschen, Tiere und Pflanzen über Jahrhunderte angepasst haben. So wird vermutet, dass die permanent und periodisch veränderten Lichtverhältnisse durch zunehmende künstliche Beleuchtung negative Auswirkungen auf die menschliche Gesundheit haben und ebenso zu ökologischen Beeinträchtigungen führen.All diese nichtintendierten Wirkungen der künstlichen Beleuchtung werden unter dem Sammelbegriff Lichtverschmutzung verstanden. Lichtverschmutzung ist hier definiert als unerwünschte Wirkung künstlicher Beleuchtung im Außenbereich, also das Licht, das räumlich (Richtung und Fläche), zeitlich (Tages- und Jahreszeit, Dauer, Periodizität) oder in der Intensität oder spektralen Zusammensetzung (z.B. Ultraviolett- oder Blauanteil) über den reinen Beleuchtungszweck hinaus nicht beabsichtigte Auswirkungen hat (Kuechly et al. 2018). Mit dem vorliegenden Bericht werden der wissenschaftliche Erkenntnis-stand im Hinblick auf Umfang und Trends der Lichtverschmutzung sowie ihre wirtschaftlichen und soziokulturellen, humanmedizinischen und ökologischen Wirkungen zusammengefasst. Auf Basis dieser Erkenntnisse und aktueller beleuchtungstechnologischer und lichtplanerischer Möglichkeiten werden Handlungsoptionen abgeleitet, die eine Verringerung der Lichtverschmutzung bei gleichzeitiger Berücksichtigung der nutzbringenden Ziele der Beleuchtung unterstützen können. |
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Büro für Technikfolgen-Abschätzung beim Deutschen Bundestag (TAB) |
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German |
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GFZ @ kyba @ |
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3058 |
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