نتایج جستجو برای: sun exposure

تعداد نتایج: 338401  

ژورنال: پوست و زیبایی 2014

Skin cancer is the most common cancer in humans worldwide. It is also the most common cancer in Iran. To achieve primary prevention in skin cancers, avoidance of direct sun exposure is recommended. Sunscreen use is one of the methods to reduce sun exposure. However, while using sunscreens has increased recently, the incidence rate of skin cancers has also increased. One of the reasons for obser...

2017
Robert A Yockey Laura A Nabors Oladunni Oluwoye Kristen Welker Angelica M Hardee

More research is needed to understand how attitudes impact behaviors that afford sun protection. The current study examined the impact of students' perceptions of parental beliefs about sun exposure and its influence on their practiced sun protection behaviors and worry about sun exposure. Participants were college students (N = 462) at a large Midwestern university. They completed a survey to ...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2006
I A F van der Mei L Blizzard A-L Ponsonby T Dwyer

BACKGROUND Measurement of past sun exposure through recall by adults has the potential for measurement error. We aimed to investigate aspects of validity and reliability of self-reported past sun exposure. METHODS A population-based case-control study was conducted in Tasmania on 136 cases with multiple sclerosis and 272 age- and sex-matched community controls. Repeat interviews on 52 cases a...

Journal: :Skin pharmacology and physiology 2010
Z Liu J W Fluhr S P Song Z Sun H Wang Y J Shi P M Elias M-Q Man

Previous studies have demonstrated that UVB radiation changes the epidermal permeability barrier and stratum corneum (SC) hydration. It is well known that sun exposure causes erythema, sunburn and melanoma. However, whether daily sun exposure alters SC integrity and epidermal permeability barrier function is largely unknown, especially in Chinese subjects. In the present study, we assess the SC...

Background and Objectives: Vitamin D deficiency/insufficiency is a global health problem. The importance of this problem is doubled in growing children because of their increased need for skeletal growth. This investigation was performed firstly to assess vitamin D status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...

2016
David G. Hoel Marianne Berwick Frank R. de Gruijl Michael F. Holick

Public health authorities in the United States are recommending that men, women and children reduce their exposure to sunlight, based on concerns that this exposure will promote skin cancer. On the other hand, data show that increasing numbers of Americans suffer from vitamin D deficiencies and serious health problems caused by insufficient sun exposure. The body of science concerning the benef...

Journal: :Journal of internal medicine 2016
S Hoffmann C Sobotzki

OBJECTIVE Women with active sunlight exposure habits experience a lower mortality rate than women who avoid sun exposure; however, they are at an increased risk of skin cancer. We aimed to explore the differences in main causes of death according to sun exposure. METHODS We assessed the differences in sun exposure as a risk factor for all-cause mortality in a competing risk scenario for 29 51...

Journal: :Journal of the National Cancer Institute 2005
Robert P Dellavalle Kathryn R Johnson

The relationship between sun exposure and melanoma mortality and risk of lymphoma was explored in two recent articles and a related editorial ( 1 – 3 ) . Unfortunately, the discussion in the related editorial ( 1 ) was not supported by the data presented. The study by Berwick et al. ( 2 ) demonstrated, within the limits of a retrospective study, that patients with melanoma have a better prognos...

2017
Caradee Y Wright Tarylee Reddy Angela Mathee Renée A Street

Informal workers in African market trade have little formal protection against sun exposure. We aimed to examine sun exposure, sun-related symptoms, and sun protection practices in an informal occupational setting. Trained fieldworkers asked 236 workers in the Warwick Junction market about their workplace, skin and eye sensitivity and skin colour, symptoms faced at work during the summer due to...

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