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Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
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A

Workshop Agenda

March 2–3, 2015

National Institute of Environmental Health Sciences
Building 101, Rodbell ABC
111 T.W. Alexander Drive
Research Triangle Park, NC

Workshop Objectives:

The workshop will explore the role of chemical exposures in the development of obesity through sessions focused on a life span view, possible biologic pathways and environmental influences, and effects of food additives and antibiotics. Speakers will make links between exposure to environmental chemicals and increased incidence of weight gain, glucose tolerance and insulin sensitivity, inflammation, and aspects of metabolic syndrome in animal models and human studies. Two panels at the end of the workshop will provide a chance to discuss opportunities for new research and possible policy actions to address exposure to chemicals associated with the development of obesity.

March 2, 2015

8:30 am Welcome and Objectives
Frank Loy, LL.B.
Roundtable Chair
Linda S. Birnbaum, Ph.D., DABT, ATS
Roundtable Member
Director, National Institute of Environmental Health Sciences
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
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Session 1: Framing the Problem

Objectives: Explore the multiple pathways involved in the risk of obesity from two perspectives: public health and environmental health. Discuss how these disciplines intersect and diverge in their focus on the causes of obesity. Set the stage for the discussions to follow.
8:45 am Introduction to Session and Speakers
Frank Loy, LL.B. Roundtable Chair
8:50 am Public Health Overview
William H. Dietz, Ph.D. (by phone)
Director, Sumner M. Redstone Global Center for Prevention and Wellness
Milken Institute School of Public Health George Washington University
9:10 am Environmental Health Overview
Jerry Heindel, Ph.D.
Health Scientist Administrator, Population Health Branch
National Institute of Environmental Health Sciences
9:30 am Discussion (20 minutes)

Session 2: Life Span View of the Role of Chemical Exposures and Obesity

Objective: Provide a life span view of obesity focusing on chemical exposures from pregnancy to childhood to adulthood.
9:50 am Introduction to Session and Speakers
Gwen Collman, Ph.D.
Director, Division of Extramural Research and Training
National Institute of Environmental Health Sciences
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
10:00 am The Role of Prenatal Exposure to Persistent Organic Pollutants on Childhood Obesity: Evidence from Epidemiological Studies
Damaskini (Dania) Valvi, M.D., M.P.H., Ph.D. Research Fellow, Department of Environmental
Health Harvard T.H. Chan School of Public Health
10:30 am Endocrine-Disrupting Chemicals, Onset of Puberty, and Obesity
Frank M. Biro, M.D.
Director of Research, Adolescent and Transition Medicine
Cincinnati Children’s Hospital Medical Center Professor, Department of Pediatrics University of Cincinnati College of Medicine
11:00 am Break (20 minutes)
11:20 am OBELIX (OBesogenic Endocrine Disrupting Chemicals: LInking Prenatal EXposure to the Development of Obesity Later in Life): An Integrated Approach to Studying the In Vitro, Clinical, and Epidemiological Effects of Endocrine-Disruptor Exposure Prenatally and in Early Infancy
Juliette Legler, Ph.D. (by phone)
Professor and Deputy Head, Department of Chemistry and Biology
Institute for Environmental Studies
Vrije University Amsterdam
11:50 am Discussion (50 minutes)
12:40 pm Lunch Break (60 minutes)
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×

Session 3: Biologic Pathways and Environmental Influences

Objectives: Discuss biologic pathways involved in obesity and how these could be disturbed by environmental chemical exposures.
1:40 pm Introduction to Session and Speakers
Henry Anderson, M.D.
Roundtable Member
State Health Officer
Wisconsin Division of Public Health
1:50 pm Identifying Environmental Chemicals to Test for Obesity and Diabetes Outcomes: Clues from Toxcast High-Throughput Screening Data
Scott S. Auerbach, Ph.D.
Molecular Toxicologist, Biomolecular Screening Branch, National Toxicology Program (NTP)
National Institute of Environmental Health Sciences
2:20 pm The Effects of Persistent Organic Pollutants (POPs) on Adipose Tissue Function and Inflammation: In Vitro and In Vivo Models and Studies in Humans
Robert Barouki, M.D.
Professor
University Paris Descartes
2:50 pm Transgenerational Effects of Obesogens: Tributyltin
Bruce Blumberg, Ph.D.
Professor, Developmental and Cell Biology
School of Biological Sciences
Professor, Biomedical Engineering
The Henry Samueli School of Engineering
University of California, Irvine
3:20 pm Break (20 minutes)
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
3:40 pm Effects of Perinatal Exposure to BPA on Obesity and Metabolic Disease Later in Life
Beverly Rubin, Ph.D.
Associate Professor of Integrative Physiology and Pathobiology
Sackler School of Graduate Biomedical Sciences Tufts University
4:10 pm Effects of Environmental Chemicals on Energy Metabolism and Insulin Secretion
Barbara Corkey, Ph.D.
Zoltan Kohn Professor
Boston University School of Medicine
4:40 pm Panel Discussion (50 minutes)
5:30 pm Adjourn for the Day

March 3, 2015

8:30 am Welcome Back and Introduction
Lynn Goldman, M.D., M.S., M.P.H.
Roundtable Vice-Chair Dean, Milken Institute School of Public Health
George Washington University

Session 4: Nutrients, Food Additives, Antibiotics

Objective: Present research on how antibiotics and agents in our food, such as high-fructose corn syrup and artificial sweeteners, may play a role in the development of obesity.
8:40 am Introduction to Session and Speakers
Lynn Goldman, M.D., M.S., M.P.H.
Roundtable Vice-Chair
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
8:50 am Infectobesity: Obesity of Infectious Origins
Nikhil V. Dhurandhar, Ph.D. (by phone)
Chair, Department of Nutritional Sciences
Texas Tech University
9:20 am Antibiotics and Obesity
Charles Bailey, M.D., Ph.D. (by phone)
Assistant Professor of Clinical Pediatrics, Divisions of Hematology & Oncology
Children’s Hospital of Philadelphia
9:50 am Sugar and Obesity
Ayca Erkin-Cakmak, M.D., M.P.H.
Clinical Research Associate
University of California, San Francisco
10:20 am Noncaloric Sweeteners and Obesity
Kristina Rother, M.D., M.H.Sc.
Chief, Diabetes, Endocrinology, and Obesity Branch
National Institute of Diabetes and Digestive and Kidney Diseases
10:50 am Panel Discussion (50 minutes)
11:40 am Lunch Break (60 minutes)

Session 5: Research Needs

Objective: Identify opportunities for new research directions based on the discussions at the workshop.
12:40 pm Introduction to Session and Discussants
Harold Zenick, Ph.D.
Roundtable Member
Former Director of the Office of Research and Development
National Health and Environmental Effects Research Laboratory
U.S. Environmental Protection Agency
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
12:50 pm Discussants:
Linda S. Birnbaum, , Ph.D., DABT, ATS
Roundtable Member
Suzette M. Kimball, Ph.D.
Roundtable Member (by phone)
Acting Director, U.S. Geological Survey
John M. Rogers, Ph.D.
Director, Toxicity Assessment Division
National Health and Environmental Effects Research Laboratory
U.S. Environmental Protection Agency
Nikhil V. Dhurandhar, Ph.D. (by phone)
President, Obesity Society
1:20 pm Panel Discussion (60 minutes)

Session 6: Policy Solutions

Objective: Discuss possible actions to reduce exposure to chemicals associated with the development of obesity.
2:20 pm Introduction to Session and Discussants
Faiyez Bhojani, M.D.
Roundtable Member
Chief Medical Officer, Global Manufacturing and Chemicals
Royal Dutch Shell
2:30 pm Discussants:
Jeanne Conry, M.D. (by phone)
Assistant Physician-in-Chief, Kaiser Permanente
Past President, American Congress on Obstetrics and Gynecology
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Judy LaKind, Ph.D. (by phone)
President, LaKind Associates, LLC
Adjunct Associate Professor, Department of Epidemiology and Public Health
University of Maryland School of Medicine
Sheela Sathyanarayana, M.D., M.P.H.
Associate Professor, Departments of Pediatrics and Environmental and Occupational Health Sciences University of Washington
Member, Council on Environmental Health
American Academy of Pediatrics
Sonya Lunder, M.P.H.
Senior Analyst
Environmental Working Group
3:00 pm Panel Discussion (50 minutes)
3:50 pm Closing Remarks
Frank Loy, LL.B
Roundtable Chair
4:00 pm Adjourn
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 139
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 140
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 141
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 142
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 143
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 144
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 145
Suggested Citation:"A Workshop Agenda." National Academies of Sciences, Engineering, and Medicine. 2016. The Interplay Between Environmental Chemical Exposures and Obesity: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/21880.
×
Page 146
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In March 2015, the National Academies of Sciences, Engineering, and Medicine held a workshop to explore the role that chemical exposures may play in the development of obesity. The obesity epidemic that has gripped the United States and much of the developed world for the past several decades has proved remarkably resistant to the various approaches tried by clinicians and public health officials to fight it. This raises the possibility that, in addition to the continued exploration of consumer understanding and behavior, new approaches that go beyond the standard focus on energy intake and expenditure may also be needed to combat the multifactorial problem of obesity.

The speakers at the workshop discussed evidence from both studies with animal models and human epidemiological studies that exposure to environmental chemicals is linked both to weight gain and to glucose tolerance, insulin sensitivity, inflammation, and other aspects of the metabolic syndrome. In addition to conventional environmental chemical exposures, this workshop also included one panel to discuss the potential role of other exposures, including sugar, artificial sweeteners, and antibiotics, in aiding or causing obesity. The participants also examined possible biological pathways and mechanisms underlying the potential linkages. This publication summarizes the presentations and discussions from the workshop.

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