SMITH AND BRADSHAW RESPOND

The Bradshaw Lecture on Cancer

Reply to Bradshaw and Danta.

TO THE EDITOR—We read with interest the comments by Bradshaw and Danta on our article [1] and would like to address several points. Comparing our study to the UK study is problematic because the UK study described a group of men who have sex with men (MSM) during the early and current highly active antiretroviral therapy (HAART) eras (1998–2008) [2]. In contrast, 83% of participants in our stud...

Reply to Ann Bradshaw

My original paper suggested that an ethics ofcare which failed to specify how, and about what, to care would be devoid of normative and descriptive content. Bradshaw's approach provides such a specification and is, therefore, not devoid ofsuch content. However, as all ethical approaches suggest something about the 'what' and 'how' of care, they are all 'ethics of care' in this broader sense. Th...

Steinmaus and Smith Respond to "Proximity to Gasoline Stations and Childhood Leukemia".

Benzene is an established cause of adult leukemia, but its role in childhood leukemia is less clear. In a recent meta-analysis, we identified associations of childhood leukemia with occupational and household product benzene exposure and traffic-related pollution. Residential proximity to gasoline stations or automobile repair facilities may be another source of benzene, and in 3 studies assess...

Relationship of Creatinine and Nutrition with Arsenic Metabolism: Smith et al. Respond

potentially sparing SAM for methyla tion of other substrates such as As. We are currently testing this hypothesis in a randomized controlled trial of creatine supplementation. In addition, as Basu et al. (2011) noted, and as we have previously reported (Gamble and Liu 2005), one implication of the observed association between uCr and As methylation capacity is that urinary As should not be expr...