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The amount of radon in natural gas varies with its source. Little has been published about the radon from shale gas to date, making estimates of its impact on radon‐induced lung cancer speculative. We measured radon in natural gas pipelines carrying gas from the Marcellus Shale in Pennsylvania and West Virginia. Radon concentrations ranged from 1,520 to 2,750 Bq/m3 (41–74 pCi/L), and the throughput‐weighted average was 1,983 Bq/m3 (54 pCi/L). Potential radon exposure due to the use of Marcellus Shale gas for cooking and space heating using vent‐free heaters or gas ranges in northeastern U.S. homes and apartments was assessed. Though the measured radon concentrations are higher than what has been previously reported, it is unlikely that exposure from natural gas cooking would exceed 1.2 Bq/m3 (<1% of the U.S. Environmental Protection Agency's action level). Using worst‐case assumptions, we estimate the excess lifetime (70 years) lung cancer risk associated with cooking to be 1.8×10?4 (interval spanning 95% of simulation results: 8.5×10?5, 3.4×10?4). The risk profile for supplemental heating with unvented gas appliances is similar. Individuals using unvented gas appliances to provide primary heating may face lifetime risks as high as 3.9×10?3. Under current housing stock and gas consumption assumptions, expected levels of residential radon exposure due to unvented combustion of Marcellus Shale natural gas in the Northeast United States do not result in a detectable change in the lung cancer death rates. 相似文献
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This article draws on a case study of lesbian, gay, bisexual, and transgender (LGBT) and queer politics in Vermont to explain the conditions under which radical discourse gains and loses a public voice. In contrast to claims that the marginalization of queer discourse is due to silencing by LGBT rights activists or to litigation strategies, we argue that variation in queer discourse over time is the result of the co‐optation of queer discourse and goals by opponents. Extending the social movement literature on frame variation, we argue that opponents co‐opt discourse when they adopt aspects of the content of a movement's discourse, while subverting its intent. We show that conservative LGBT rights opponents co‐opted queer discourse. As a result, queer positions lost their viability as the discursive field in which those arguments were made was fundamentally altered. Because queer positions became less tenable, we see the withdrawal of queer discourse from the mainstream and alternative LGBT media. Our work both supports and builds on research on frame variation by demonstrating how discourse can change over time in response to the interplay between changing aspects of the political and cultural landscape and the discourse of opponents. 相似文献
65.
Non-heterosexual young women have a higher rate of unintended pregnancy than their heterosexual peers, but their fertility behaviors are understudied. We use longitudinal data from the Relationship Dynamics and Social Life study to investigate mechanisms contributing to non-heterosexual women’s higher pregnancy risk. These data include weekly reports of relationships, sex, and contraceptive use over 30 months. We compare the relationships and fertility behaviors of three groups: exclusively heterosexual (consistent heterosexual behavior, identity, and attraction); mostly heterosexual (heterosexual identity with same-sex behavior and/or same-sex attraction); and LGBTQ (any non-heterosexual identity). We find that mostly heterosexual and LGBTQ women behave differently from exclusively heterosexual women in ways likely to elevate their risk of unintended pregnancy: more distinct partners during the study period, more sexual intercourse with men, less frequent contraceptive use, less use of a dual method (condom plus hormonal method), and more gaps in contraceptive coverage. Mostly heterosexual women resemble LGBTQ women in their contraceptive behavior but have significantly more intercourse with men, which may increase their pregnancy risk relative to both LGBTQ and exclusively heterosexual women. We conclude by considering implications for LGBTQ health and the measurement of sexual minority populations. 相似文献
66.
Business enterprises run by youth can create jobs and teach the principles of free enterprise but also convey skills that can be used by employees in large companies, as well as political activists and entrepreneurs. Research is needed to test the efficacy of this approach and identify its key components. 相似文献
67.
Elizabeth Senior MPH Joshua Green BA BS 《Journal of intergenerational relationships》2017,15(3):295-305
This article evaluates a program between students at a primary school and aged care residents. The aim of the program was to increase respect and appreciation between the groups. Visiting programs between children and the elderly are well documented, and assumes that the contact will benefit both groups. However the research is contradictory. To ensure that this program was achieving its goals, pre-post test data using the Children’s Perceptions of Aging and Elderly test was collected. Significant improvements in attitude were seen in two items. Overall, there was an improvement in attitude in 12 of the 18 instrument items. 相似文献
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This study uses the design and passage of universal preschool in two states, Oklahoma and West Virginia, to present an alternative framework for understanding the policy process, Policymaking by Stealth, and demonstrate its usefulness both in expanding the understanding of the politics of public preschool and as a tool for social work policy practice. An overview of the current state of preschool policy in the United States and the political history of federal preschool policy is presented first to provide context to the analysis, followed by an introduction to the analytic framework, and then a formal analysis of the policy passage processes in the two states via the lens of Policymaking by Stealth. The contributions of this new framework to the study of the policy process in general and the practice of policymaking in complex political contexts are discussed. 相似文献
70.
Peter Ducharme Elizabeth Wharff Eliza Hutchinson Jason Kahn Grace Logan Joseph Gonzalez-Heydrich 《Clinical Social Work Journal》2012,40(1):75-84
This paper describes the treatment of an adolescent girl (age 16) who received the ACT with RAGE-Control intervention during
her treatment in an urban inpatient psychiatry unit. ACT with RAGE-Control utilizes five traditional Cognitive Behavioral
techniques combined with an active biofeedback videogame designed to strengthen a patient’s self-regulatory capacities while
facing simulated stress in a virtual environment. The treatment is delivered as daily individual psychotherapy sessions over
five consecutive days of an inpatient psychiatric admission. The following case illustrates the theory and techniques of the
ACT with RAGE-Control intervention. 相似文献