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Reverse transcriptase has been detected in the serum of HIV-negative patients with amyotrophic lateral sclerosis (ALS). An ALS-like disorder in HIV-positive patients can remit with antiretroviral therapy. Using the product enhanced assay technique, we measured reverse transcriptase activity in the serum and CSF of 23 HIV-negative patients with ALS and 21(More)
BACKGROUND Inorganic arsenic (iAs) causes cancer and possibly other adverse health outcomes. Arsenic-based drugs are permitted in poultry production; however, the contribution of chicken consumption to iAs intake is unknown. OBJECTIVES We sought to characterize the arsenic species profile in chicken meat and estimate bladder and lung cancer risk(More)
BACKGROUND Burning biomass fuels indoors for cooking is associated with high concentrations of particulate matter (PM) and carbon monoxide (CO). More efficient biomass-burning stoves and chimneys for ventilation have been proposed as solutions to reduce indoor pollution. We sought to quantify indoor PM and CO exposures in urban and rural households and(More)
The correspondence section is a public forum and, as such, is not peer-reviewed. EHP is not responsible for the accuracy, currency, or reliability of personal opinion expressed herein; it is the sole responsibility of the authors. EHP neither endorses nor disputes their published commentary. I commend Nachman et al. (2013) on their careful study of arsenic(More)
The objective of this study was to document and understand the perceptions and opinions of small-scale poultry producers who market directly to consumers about microbial food safety risks in the poultry supply chain. Between January and November 2014, we conducted semi-structured, in-depth interviews with a convenience sample of 16 owner-operators of(More)
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