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Concentrated Animal Feeding Operations
Sun Aug 10 2008 at 21:17:29 As a general principle, the concentration of humans or animals in proximity enhances potential transmission of microorganisms among members of the group. It also creates greater potential for infecting surrounding life forms, even those of different species. The conditions created also may be a breeding ground for new, more infectious, or more resistant microorganisms. (Gilchrist 2006)
Concentrated Animal Feeding Operations, or (CAFOs), also called confined animal feeding operation, are large farms with massive amounts of swine, cattle, hogs, or other animals. The high density of stock is where the name comes from. Although they re very economical, recent studies have shown that CAFOs have increased the risk of Nipah virus infections and Avian influenza not only infecting animal populations, but also causing zoonosis, diseases being transferred to humans from animals. The rural and agricultural community has cha
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Environmental Factor
Precision environmental health brings nuance to disease prevention
A conversation with Cheryl Walker, whose research explores the intersection of epigenomics, genomics, the environment, and data science.
This month, I am excited to share with you excerpts from my recent conversation with Cheryl Walker, Ph.D., a long-time NIEHS grant recipient who directs the Center for Precision Environmental Health at Baylor College of Medicine. In future months, look for more interviews like this one. I want to increase opportunities for collaboration, which starts with conversation and the exchange of ideas. (Image courtesy of NIEHS)
Her research into how chemical exposure during early life can interact with an individual’s epigenome and influence later-life health and disease is at the cutting edge of environmental health science. The epigenome is the collection of chemical modifications on DNA or the proteins associated with DNA that affect how genes are turn
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2Programa de Salud Familiar Comunitaria e Intercultural, Ministerio de Salud Bolivia, La Paz, Bolivia
3Hydrosciences Montpellier, Université de Montpellier, Institut de Recherche pour le Développement, Centre National de la Recherche Scientifique, Montpellier, France
4Genetics Institute, Universidad Mayor de San Andrés, La Paz, Bolivia
Indigenous people living in the Bolivian Andes are exposed through their drinking water to inorganic arsenic, a potent carcinogen. However, the health consequences of arsenic exposure in this region are unknown. The aim of this study was to evaluate associations between arsenic exposure and changes in cancer-related proteins in indigenous women (
n = 176) from communities around the Andean Lake Poopó, Bolivia. Arsenic exposure was assessed in whole blood (B-As) and urine (as the sum of arsenic metabolites, U-As) by inductively coupled plasma-mass spectrometry (ICP-MS). Cancer-related proteins (
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