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Sun Protection in Man
"Sun Protection in Man" looks at the beneficial and harmful effects of solar radiation. The physiological consequences of sun exposure have been systematically studied starting at the end of the nineteenth century and we now have accumulated knowledge about how Caucasian and Asian skins reacts to solar radiation. The chemical effects of solar ultraviolet radiation have been analyzed with particular emphasis during the second half of the twentieth century. Research on micro-organisms has allowed us to understand the mechanisms of UV-induced mutagenesis and photosensitization. Studies with laboratory rodents have opened the path to the understanding of UV-induced immune-depression, carcinogene...
The Plague of Models
Sometimes, reading the news, it seems we are drowning in a sea of risks. Every day, dozens of news articles proclaim some activity, some exposure, some change in the environment exposes us to new and terrifying risks. And every day, governments in developed countries pop out regulations to ensure that we make those changes in behavior to address those supposed risks, whether we want to or not. You probably think such claims, and regulation of risk are backed up by something resembling actual real-world evidence of harm. You probably assume that governments, when regulating, are relying on hard data: physical observations of exposures to a potential harm, physical measurements of harms that r...
Photomedicine
This Research Topic in Frontiers in Medicine offers a concise overview of the latest knowledge in the field of Photomedicine on therapeutic and preventive modalities, and UV pathogenesis of skin cancer. Photomedicine has revolutionized the treatment of inflammatory and neoplastic skin diseases over the last century since Niels Ryberg Finsen was awarded in 1903 the Nobel Prize “in recognition of his contribution to the treatment of diseases, especially lupus vulgaris, with concentrated light radiation, whereby he has opened a new avenue for medical science”. From then on, the field has moved on in leaps and bounds to expand phototreatment to many inflammatory as well as neoplastic skin diseases. With this Research Topic we aim to promote the field by giving the latest insights into Photomedicine’s therapeutic modalities and molecular mechanisms in treatment of diseases of the skin and beyond, as well as prevention from photodermatoses and carcinogenesis, as the dark sites of light. By engaging clinicians and scientists we intend to advance basic, clinical and translational research in the field of Photomedicine with its numerous facets.
Unnatural Law
While governments assert that Canada is a world leader in sustainability, Unnatural Law provides extensive evidence to refute this claim. A comprehensive assessment of the strengths and weaknesses of Canadian environmental law, the book provides a balanced, critical examination of Canada's record, focusing on laws and policies intended to protect water, air, land, and biodiversity. Three decades of environmental laws have produced progress in a number of important areas, such as ozone depletion, protected areas, and some kinds of air and water pollution. However, Canada's overall record remains poor. In this vital and timely study, David Boyd explores the reasons why some laws and policies f...
Skin Cancer after Organ Transplantation
Organ transplantation has been performed for almost 40 years with steadily increasing success regarding long-time survival of the graft, as well as quality of life for the patient. However, graft tolerance only can be achieved via induction and maintenance of an impaired immunological surveillance. An increase of skin cancers as a consequence of the lowered cellular immunoresponse seems to parallel the overall increased long-time survival rate of organ transplant recipients. Against the background of chronic immunosuppression known risk factors like the amount of sun exposure prior and post transplantation, oncogenic viruses as well as the genetic background, and place of residence (latitude...
Global Challenges
Using simple economic reasoning, this book analyzes a broad range of global challenges including global warming, ozone shield depletion, acid rain, nuclear waste disposal, revolution dispersion, international terrorism, disease eradication, population growth, tropical deforestation, and peacemaking. These challenges are put into perspective in terms of scientific, economic, and political considerations. This book is intended for a wide audience drawn from the social sciences. It should also interest the general reader who wants to learn about global challenges.
