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Vanessa Ward

San Francisco Medical Society | The Weight of Evidence - 0 views

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SFMS Blumberg Grun obesity epidemic endocrine disruption EDCs obesity

shared by Vanessa Ward on 11 Jun 10 - Cached
  • “leading to neglect of other plausible mechanisms and well-intentioned but potentially ill-founded proposals for reducing obesity rates”
  • Since publication of that review, substantial evidence has emerged that increases the plausibility of one of the alternative mechanisms suggested by Keith et al: disruption of weight regulation by endocrine-disrupting chemicals (EDCs) in the environment.
  • Concerns about the potential contribution of EDCs to childhood obesity build from two considerations, one out of human biology and the other from animal experiments
  • ...7 more annotations...
  • Prior
  • toxicologists were concerned more with weight loss, which was seen as an adverse outcome.
  • Many of these chemicals alter the behavior of specific genes that are involved in determining the number of fat cells (adipocytes) an individual will have as an adult.
  • he list of contaminants implicated by animal studies is substantial, including several estrogenic EDCs such as DES, bisphenol A, soy phytoestrogens
  • Almost no human data are available to test the obesogen hypothesis in people. No epidemiological evidence exists, because the hypothesis is so new
  • One in vitro experiment, however, has demonstrated that exposure to obesogens increases the rate of conversion of human stem cells to adipocytes (Kirchner et al 2010), confirming the validity of the basic mechanism and the relevance of the animal studies to people.
  • That would be a big win for medicine and public health.
  • Vanessa Ward on 11 Jun 10
     
    San Francisco Medical Society discusses the possible relationship between chemical exposure and the obesity epidemic.
Vanessa Ward

Epigenetics, Evolution, Endocrine Disruption, Health, and Disease -- Crews and McLachla... - 1 views

endo.endojournals.org/...s4

shared by Vanessa Ward on 22 May 10 - Cached
  • Endocrine-disrupting chemicals (EDCs) in the environment have been linked to human health and disease. This is particularly evident in compounds that mimic the effects of estrogens.
  • information recently uncovered, regarding mechanisms of endocrine and environmental signaling, to explore the role of the environment in health and disease.
  • Vanessa Ward on 22 May 10
     
    This a good article that gives a general overview of EDC's and the role they play in the compromise of physical and mental health. One particularly interesting thing is how a discussion of EDC's and evolution is presented.
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