نتایج جستجو برای: sun protection factors

تعداد نتایج: 1270172  

Journal: :Canadian journal of public health = Revue canadienne de sante publique 2010
Erin C Pichora Loraine D Marrett

Childhood sun exposure is a particularly important determinant of skin cancer, yet little data are available for children. This paper describes sun behaviour among Canadian children for the summer of 2006. As part of the Second National Sun Survey (NSS2), 1,437 parents reported on the time spent in the sun, and the frequency of sun protection behaviours and sunburning for one of their children ...

Journal: :Photochemistry and photobiology 2011
Melinda Williams Peter Caputi Sandra C Jones Don Iverson

The aim of this study was to build on existing understanding of adolescent sun-related behavior by combining sun protecting and sun exposing behaviors and testing their relationship simultaneously with indicators of ultraviolet (UV) exposure. Data were collected for 692 adolescents aged between 12 and 18 years. General linear modeling was undertaken to test the relationship of sun-related behav...

The most important environmental factor affecting human health is the long exposure to solar ultraviolet radiation. This study aimed to determine the effect of an educational intervention based on the protection motivation theory in promoting sun-protective behaviors. In this quasi-experimental prepost test study, a sample of 215 high school students in Ahwaz. Using a reliable and valid questio...

2012
André Passaglia Schuch Juliana Carvalhães Lago Teiti Yagura Carlos Frederico Martins Menck

BACKGROUND Due to the increase of solar ultraviolet radiation (UV) incidence over the last few decades, the use of sunscreen has been widely adopted for skin protection. However, considering the high efficiency of sunlight-induced DNA lesions, it is critical to improve upon the current approaches that are used to evaluate protection factors. An alternative approach to evaluate the photoprotecti...

2012
Elliot J Coups Jerod L Stapleton Shawna V Hudson Amanda Medina-Forrester Ana Natale-Pereira James S Goydos

BACKGROUND Skin cancer prevention interventions that target the growing number of U.S. Hispanics are lacking. The current study examined the prevalence and correlates of sun protection and exposure behaviors (i.e., sunscreen use, shade seeking, use of sun protective clothing, and sunburns) among U.S. Hispanics with sun sensitive skin, with a focus on potential differences according to accultura...

2013
T. Wang Timur M. Rvachov Jae-Hoon Choi Wolfgang Ketterle Myoung-Sun Heo

Ye-Ryoung Lee,1 Tout T. Wang,1,2 Timur M. Rvachov,1 Jae-Hoon Choi,1 Wolfgang Ketterle,1 and Myoung-Sun Heo1,* 1MIT-Harvard Center for Ultracold Atoms, Research Laboratory of Electronics, Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA 2Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA (Received 7 January 2013; publis...

2014
Camila Trolez Amancio Luiz Fernando Costa Nascimento

BACKGROUND Cutaneous melanoma is a skin cancer with low incidence but high mortality rates. Several factors are associated with increased risk of melanoma, such as excessive sun exposure, fair skin, and family history, among others. Little is known about the spatial distribution of this cancer in Brazil. OBJECTIVE To identify, through the use of geostatistical tools, spatial clusters of munic...

2004
C. E. DeForest

A spectrum of weakly guided waves in the solar atmosphere at frequencies as high as 100 mHz (10 s period) has been detected with high-cadence solar image sequences from the Transition Region and Coronal Explorer (TRACE) spacecraft. The waves are visible in the TRACE 1600 far-UV passband and were detected as faint Å ridges in an energy spectrum produced by Fourier transformation of subfields of ...

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