منابع مشابه
Effects of Ultraviolet Radiation
Conference organizer: Henry W. Lim, MD Participants: Barbara A. Gilchrest, MD, Kevin D. Cooper, MD, Heike A. Bischoff-Ferrari, MD, MPH, Darrell S. Rigel, MD, W. Howard Cyr, PhD, Sharon Miller, MSEE, Vincent A. DeLeo, MD, Tim K. Lee, PhD, Catherine A. Demko, PhD, Martin A. Weinstock, MD, PhD, Antony Young, PhD, Laura Saul Edwards, Timothy M. Johnson, MD, and Stephen P. Stone, MD Detroit, Michiga...
متن کاملBiological Effects of Sunlight, Ultraviolet Radiation, Visible Light, Infrared Radiation and Vitamin D for Health.
Humans evolved in sunlight and had depended on sunlight for its life giving properties that was appreciated by our early ancestors. However, for more than 40 years the lay press and various medical and dermatology associations have denounced sun exposure because of its association with increased risk for skin cancer. The goal of this review is to put into perspective the many health benefits th...
متن کاملEffects of ultraviolet radiation on Langerhans cells
Research on penetration of ultraviolet (UV) radiation into human skin shows that about 20% of UVA and 10% of UVB can reach the basal layer of the epidermis. As a consequence, Langerhans cells (LCs), located in suprabasal layers, are subject to the influence of the two types of UV radiation. This phenomenon leads to quantitative and qualitative alterations in LCs, including reduction in their nu...
متن کاملPotential health effects of climatic change: effects of increased ultraviolet radiation on man.
There is scientific evidence that stratospheric ozone concentration has declined over the Northern Hemisphere in the past 20 years, and projections based on various assumptions about future release of chlorofluorocarbon gases and other contaminants suggest that this decline will continue into the next century. The effects on human health secondary to increase in biologically effective ultraviol...
متن کاملUltraviolet radiation and health: friend and foe.
While excessive exposure to ultraviolet radiation (UVR) is a significant cause of disease burden in Australia and the Western Pacific region, there are well documented beneficial as well as adverse effects of UVR exposure. Ambient UVR levels do not translate directly to personal UVR dose and thus to biological effect - each person's sun-exposure behaviour and pigmentation also play a role. Expo...
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ژورنال
عنوان ژورنال: The Annals of physiological anthropology
سال: 1993
ISSN: 0287-8429
DOI: 10.2114/ahs1983.12.1