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|TOS Past President Featured on CBS News Radio
Nikhil Dhurandhar, PhD, past president of The Obesity Society (2014–2015), participated in a live phone interview on KNX 1070—a local CBS News affiliate based in Los Angeles, CA—to discuss a new obesity study out of Japan on May 1, 2019.
Japanese researchers have found that eating more rice can help lower obesity rates, according to articles published in major media outlets such as MSN, The Atlanta Journal-Constitution, and The Straits Times. Professor Tomoko Imai from Doshisha Women's College of Liberal Arts in Kyoto, Japan, who led the research, said "given the rising levels of obesity worldwide, eating more rice should be recommended to protect against obesity even in western countries." Researchers added that the new study is the first to hypothesize that individuals can prevent obesity by increasing their rice consumption.
In an interview following the broadcast, the Society’s Director of Communications Kristin Collins spoke with Dhurandhar about the questions he was asked regarding the Japanese study. Dhurandhar said the show’s anchors asked good questions. He noted, however, that based on the available information, the study is an association. “It does not prove causation,” Dhurandhar said.
This observational study determined the association between rice consumption and obesity prevalence in a nation for 136 countries. Dhurandhar observed that the study is a “good start,” but said that researchers may be jumping ahead of themselves with recommendations emerging from the study such as “eating rice will reduce obesity and, in particular, global obesity.” Dhurandhar cautioned that, “obesity is a very complex disease and such hasty and naïve conclusions can do this legitimate observation more harm than good. The study does provide an observation that could be carefully investigated in future studies to test the potential of rice in reducing food intake.”
Dhurandhar added “even a demonstration that rice reduces food intake is not enough to prove its potential to reduce body weight, obesity, or the national prevalence of obesity. Each of that may require a differently designed set of experiments.”
Dhurandhar, a professor, Helen Devitt Jones Endowed Chair and chairman of the Department of Nutrition Sciences at Texas Tech University in Lubbock, has worked as a physician and nutritional biochemist and has been involved in obesity treatment and research for more than 35 years. He has also published more than 140 scientific articles and book chapters.
American Board of Obesity Medicine (ABOM)
|Total Number of Board-Certified Doctors in Obesity Medicine Increases
As an American Board of Obesity Medicine partner organization offering TOS Review Course for the ABOM Exam, TOS has played a significant role in preparing physicians for obesity medicine certification. On May 7, 2019, ABOM officials announced that 726 physicians passed its board certification test administered in February 2019. This represents a 27 percent increase in the total number of ABOM diplomates compared to the previous year.
“The growth of obesity medicine board certification mirrors the rise in interest among physicians seeking a more evidence-based approach to treating patients coping with obesity,” said ABOM Executive Director Dana Brittan.
According to ABOM officials, the number of physicians who are board certified in obesity medicine now stands at 3,377.
The 726 physicians who passed the most recent ABOM certification exam include internists (279), family physicians (202), endocrinologists (37), pediatricians (36), surgeons (34), obstetricians/gynecologists (30), and gastroenterologists (21), along with numerous other specialists.
For those interested in pursuing ABOM certification, TOS Review Course will be held Nov. 3–4, 2019 in Las Vegas, NV, as a preconference event to ObesityWeek℠. Both the course and ObesityWeek confer the Group One CME credits required for ABOM exam eligibility.
|7th Annual Obesity Journal Symposium at ObesityWeek℠ Call for Papers Deadline is June 1, 2019
Investigators have less than a month to submit their best research for the 7th annual Obesity Journal Symposium, which will be held during the annual meeting of The Obesity Society (TOS) at ObesityWeek℠ Nov. 3-7, 2019, in Las Vegas, NV. The Symposium and the accompanying special section of Obesity are designed to showcase the journal’s top papers that provide important insights into preventing and treating obesity.
Entries are being accepted through the journal's online manuscript submission system. All papers must be received for consideration by June 1, 2019. The winners will be announced this summer.
The authors of the winning papers will give oral presentations during the Symposium. A special section located in the front of the November 2019 issue of Obesity will be reserved for their work. The Symposium and the full published papers will be publicized to the obesity research community and the press.
The presenting authors will also receive complimentary ObesityWeek registration. In addition, for all submissions that are accepted by the journal but not chosen as winners, the journal is offering immediate online publication.
Investigators planning to submit an abstract for ObesityWeek are also encouraged to send their full paper for the Symposium in order to bring greater visibility to their work. In particular, papers discussing state-of-the art research on the mechanisms of energy balance, innovative clinical or translational studies that challenge current paradigms, and novel “proof of concept” papers are of special interest for this year’s event.
The full call for papers is available on the TOS website. Take time to read the winning papers from the 2018 competition on the Obesity journal website.
National Institutes of Health
|NIH to Host Workshop on the Physiology of the Weight Reduced State
Preventing regain of lost weight is the most difficult challenge in the treatment of obesity. Various physiological adaptations occur that make maintaining weight loss difficult by reducing energy expenditure and increasing energy intake.
The overarching goal of this workshop is to explore the mechanisms and integrative physiology of adaptations in appetite, energy expenditure, and thermogenesis (metabolic adaptation) that occur in the weight reduced state and may oppose weight loss maintenance.
The workshop will include:
- Clinical experience with weight reduction and weight loss maintenance versus regain across interventions
- Factors opposing weight loss maintenance
- Factors affecting energy intake in the weight reduced state, including neural and endocrine regulation and the integration of homeostatic and hedonic pathways along with microbiome links
- Metabolic adaptation/adaptive thermogenesis and tissue-specific roles and mechanisms
- Strategies for understanding the physiology of the weight reduced state and improving weight loss maintenance
- Factors potentially responsible for physiological variability in weight maintenance versus regain
Rudolph L. Leibel, MD, Columbia University
Kevin D. Hall, PhD, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Mary Evans, PhD, NIDDK
Maren Laughlin, PhD, NIDDK
Christopher J. Lynch, PhD, NIDDK
Stavroula K. Osganian, MD, ScD, MPH, NIDDK
Susan Z. Yanovski, MD, NIDDK
The registration deadline is May 25, 2019.
|TOS Members' Articles Selected as Obesity Editors' Choice
Randomized Controlled Trial of Home-based Lifestyle Therapy on Postpartum Weight in Underserved Women with Overweight/Obesity
TOS Member Authors: Debra Haire‐Joshu and Richard I. Stein
Objective: This study aimed to assess the efficacy of a home‐based lifestyle intervention delivered through Parents as Teachers (PAT), a national home‐visiting organization, designed to minimize excessive weight gain through 12 months postpartum in socio-economically disadvantaged (SED) African-American women with overweight or obesity.
Methods: This randomized controlled trial was conducted at a single center as part of the Lifestyle Interventions for Expectant Moms (LIFE‐Moms) consortium. Analysis was conducted with 185 SED African-American women (BMI 25.0‐45.0 kg/m2 at pregnancy onset) retained from an original sample of 267 randomized to standard PAT or PAT+Lifestyle, which embedded lifestyle therapy within standard PAT delivered prenatally and for 12 months postpartum.
Results: Compared with standard PAT, the PAT+Lifestyle group gained less weight (2.5 kg vs. 5.7 kg; P = 0.01) and were more likely to return to their baseline weight (38.0% vs. 21.5%; P = 0.01) from baseline to 12 months postpartum. There were no differences between groups in cardiometabolic outcomes, indices of glycemic control and insulin sensitivity, and plasma lipid profile. The estimated cost of PAT+Lifestyle was $81 more to deliver per family than standard PAT.
Conclusions: PAT+Lifestyle decreases weight gain during pregnancy through 12 months postpartum in SED African-American women with overweight or obesity at the start of pregnancy with minimal additional cost. READ MORE
Safety and Effectiveness of Longer-Term Phentermine Use: Clinical Outcomes from an Electronic Health Record Cohort
TOS Member Authors: Kristina H. Lewis, Jamy Ard, Corinna Koebnick, Caryn Oshiro, Deborah R. Young, David E. Arterburn
Objective: The aim of this work was to study weight loss and risk of cardiovascular disease (CVD) or death associated with longer‐term phentermine use.
Methods: Using electronic health record data, 13,972 adults were identified with a first phentermine fill in 2010 to 2015, creating exposure categories according to a patient’s duration of use (referent: ≤ 3 months). Multivariable linear models were used to compare percent weight loss across categories at 6, 12, and 24 months, and Cox proportional hazards models were used to compare risk of composite CVD or death, up to 3 years after starting phentermine.
Results: The cohort was 84% female and 45% white, with a mean (SD) baseline age 43.5 (10.7) years and BMI of 37.8 (7.2) kg/m2 post. In multivariable models, longer‐term users of phentermine experienced more weight loss; patients using continuously for > 12 months lost 7.4% more than the referent group at 24 months (P < 0.001). The composite CVD or death outcome was rare (0.3%, 41 events), with no significant difference in hazard ratios between groups.
Conclusions: Greater weight loss without increased risk of incident CVD or death was observed in patients using phentermine monotherapy for longer than 3 months. Despite the limitations of the observational design, this study supports the effectiveness and safety of longer‐term phentermine use for low‐risk individuals. READ MORE
Relationship of Maternal Weight Status Before, During, and After Pregnancy with Breast Milk Hormone Concentrations
TOS Member Authors: David A. Fields and Ellen W. Demerath
Objective: The aim of this study was to test associations of prepregnancy BMI, gestational weight gain, oral glucose challenge test results, and postpartum weight loss as predictors of breast milk leptin, insulin, and adiponectin concentrations and whether these relationships vary over time.
Methods: Milk was collected at 1 and 3 months from 135 exclusively breastfeeding women from the longitudinal Mothers and Infants Linked for Healthy Growth (MILk) study. Hormones were assayed in skimmed samples using ELISA. Mixed‐effects linear regression models were employed to assess main effects and effect‐by‐time interactions on hormone concentrations.
Results: In adjusted models, BMI was positively associated with milk leptin (P < 0.001) and insulin (P = 0.03) and negatively associated with milk adiponectin (P = 0.02); however, the association was stronger with insulin and weaker with adiponectin at 3 months than at 1 month (time interaction P = 0.017 for insulin and P = 0.045 for adiponectin). Gestational weight gain was positively associated and postpartum weight loss was negatively associated with milk leptin (both P < 0.001), independent of BMI. Oral glucose challenge test results were not associated with these milk hormone concentrations.
Conclusions: Maternal weight status before, during, and after pregnancy contributes to interindividual variation in human milk composition. Continuing work will assess the role of these and other milk bioactive factors in altering infant metabolic outcomes. READ MORE
|TOS Job Center—Job Listings Exclusively for the Obesity Community
Attention employers, recruiters and job seekers! The Obesity Society (TOS) offers an opportunity to connect with others in the obesity community through our online Job Center. Jobseekers can post a resume, search for available job opportunities and create a personalized job alert. Recruiters can search for qualified candidates as well as post jobs—all at the click of a button.
CHECK OUT THE JOB CENTER.
|Join or Renew your Membership Today!
TOS is the leading professional society for obesity clinicians, researchers and academics working to treat and prevent the disease of obesity. The Society’s focus is to advance the science-based understanding of the causes, consequences, prevention and treatment of obesity. A variety of professionals—from basic scientists, to weight-loss physicians to industry researchers—benefit greatly from the career advancement opportunities provided by TOS.
Join or renew your membership as part of your maximum savings during ObesityWeek registration! Learn more about TOS Membership Benefits.
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