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Early Bird Registration For Canadian Obesity Summit Ends March 3rd

For all my Canadian readers (and any international readers planning to attend), here just a quick reminder that the deadline for early bird discount registration for the upcoming 4th Canadian Obesity Summit in Toronto, April 28 – May 2, ends March 3rd.

To anyone who has been at a previous Canadian Summit, attending is certainly a “no-brainer” – for anyone, who hasn’t been, check out these workshops that are only part of the 5-day scientific program – there are also countless plenary sessions and poster presentations – check out the full program here.

Workshops:

Public Engagement Workshop (By Invitation Only)

Pre-Summit Prep Course – Overview of Obesity Management ($50)

Achieving Patient‐Centeredness in Obesity Management within Primary Care Settings

Obesity in young people with physical disabilities

CON-SNP Leadership Workshop: Strengthening CON-SNP from the ground up (Invitation only)

Exploring the Interactions Between Physical Well-Being and Obesity

Healthy Food Retail: Local public‐private partnerships to improve availability of healthy food in retail settings

How Can I Prepare My Patient for Bariatric Surgery? Practical tips from orientation to operating room

Intergenerational Determinants of Obesity: From programming to parenting

Neighbourhood Walkability and its Relationship with Walking: Does measurement matter?

The EPODE Canadian Obesity Forum: Game Changer

Achieving and Maintaining Healthy Weight with Every Step

Adolescent Bariatric Surgery – Now or Later? Teen and provider perspectives

Preventive Care 2020: A workshop to design the ideal experience to engage patients with obesity in preventive healthcare

Promoting Healthy Maternal Weights in Pregnancy and Postpartum

Rewriting the Script on Weight Management: Interprofessional workshop

SciCom-muniCON: Science Communication-Sharing and exchanging knowledge from a variety of vantage points

The Canadian Task Force on Preventive Health Care’s guidelines on obesity prevention and management in adults and children in primary care

Paediatric Obesity Treatment Workshop (Invitation only)

Balanced View: Addressing weight bias and stigma in healthcare

Drugs, Drinking and Disordered Eating: Managing challenging cases in bariatric surgery

From Mindless to Mindful Waiting: Tools to help the bariatric patient succeed

Getting Down to Basics in Designing Effective Programs to Promote Health and Weight Loss

Improving Body Image in Our Patients: A key component of weight management

Meal Replacements in Obesity Management: A psychosocial and behavioural intervention and/or weight loss tool

Type 2 Diabetes in Children and Adolescents: A translational view

Weight Bias: What do we know and where can we go from here?

Energy Balance in the Weight- Reduced Obese Individual: A biological reality that favours weight regain

Innovative and Collaborative Models of Care for Obesity Treatment in the Early Years

Transition of Care in Obesity Management : Bridging the gap between pediatric and adult healthcare services

Neuromuscular Meeting workshop – Please note: Separate registration is required for this event at no charge

To register – click here.

@DrSharma
Edmonton, AB

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Prevalence and Treatment of Depression In Canada

sharma-obesity-mental-health1Depression can be a significant factor both in the development of obesity and as an important barrier to its treatment.

Now a paper by Sabrina Wong and colleagues from the University of British Columbia, in a paper published in CMAJ open, present data on the prevalence and treatment of depression in Canadian primary care practices.

The authors analysed electronic medical record data from the Canadian Primary Care Sentinel Surveillance Network, of over 300,000 patients who had at least one encounter with their primary care provider between Jan. 1, 2011, and Dec. 31, 2012.

Of these, 14% had a diagnosis of depression.

Women with a BMI greater than 30 were about 20% more likely to also have depression than women with a BMI below 25. No such relationship was noted in men.

Overall, 25% of individuals with a diagnosis of depression also had at least one other chronic condition as well as about 50% more doctor visits than individuals without depression.

Clearly, depression is a common problem in primary care and weight management in patients (particularly women) presenting with this problem needs to be addressed (not least because many of the medications often used to manage depression may well be part of the problem).

@DrSharma
Edmonton, AB

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Can Education Offset The Genetic Risk For Obesity?

sharma-obesity-dna_molecule9Obesity is a highly heritable condition with considerable penetrance, especially in our obesogenic enviroment.

However, as I have pointed out before, having a genetic predisposition for obesity (like having a genetic predisposition for other diseases such as diabetes or high blood pressure) does not mean your fate is chiseled in stone. Lifestyle changes can significantly reduce the risk, but those with a stronger genetic predisposition will have to work a lot harder at not gaining weight than those who are naturally slender.

That said, a new study by Liu and colleagues from Harvard University, published in Social Science & Medicine, shows that better education may offset a substantial proportion of the genetic risk for obesity and/or diabetes.

The researchers created genetic risk scores for obesity and diabetes based on single nucleotide polymorphism (SNPs) confirmed as genome-wide significant predictors for BMI (29 SNPs) and diabetes risk (39 SNPs) in over 8000 participants in the Health and Retirement Study.

Linear regression models with years of schooling indicate that the effect of genetic risk on both HbA1c and BMI was smaller among people with more years of schooling and larger among those with less than a high school (HS) degree compared to HS degree-holders.

As one may expect, estimates from the quantile regression models consistently indicated stronger associations for years of schooling and genetic risk scores at the higher end of the outcome distribution, where individuals are at actual risk for diabetes and obesity.

In other words, the greater the genetic risk for diabetes or obesity, the greater the positive impact of finishing high-school or college.

In contrast, having less than a high-school education augmented the genetic risk for these conditions.

From these findings the authors conclude that,

“Our findings provide some support for the social trigger model, which speculates that the social environment can attenuate or exacerbate inherent genetic risks. Furthermore, it suggests social stratification may shape how genetic vulnerability is expressed. Social hierarchies based on socioeconomic status determine the health status of individuals. According to fundamental cause theory, policies and interventions must address social factors directly to have a population-level impact on disease risk . Our results show how education, a fundamental cause of health and disease, can serve as a valuable resource that offsets even innate biological risk. Education increases an individual’s ability to adapt, modify, and use surrounding resources. As such, polices that reduce disparities in education may help offset underlying genetic risk.”

This study strongly supports my view that one cannot (and should not) ignore genetic risk when studying the effect of environmental or behavioural factors in populations or individuals. Indeed, the greatest benefit of these interventions clearly appear to be found in those with the highest genetic risk.

@DrSharma
Ottawa, ON

ResearchBlogging.orgLiu SY, Walter S, Marden J, Rehkopf DH, Kubzansky LD, Nguyen T, & Glymour MM (2014). Genetic vulnerability to diabetes and obesity: Does education offset the risk? Social science & medicine (1982) PMID: 25245452

 

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The Freshmen 15 Are Neither 15 Nor Limited to Freshmen

sharma-obesity-black-studentsAccording to popular belief, the first year of college can be associated with a 15 pound weight gain – often referred to as “the freshman 15″.

Now, a study by Micheal Fedewa and colleagues from the University of Georgia, look at the weight trajectory in college studies in a paper published in the American Journal of Preventive Medicine.

Their systematic review and meta-analysis includes 49 studies evaluating the effect of the first year of college (and beyond) on the dependent body weight and or %body fat.

While the researchers found a statistically significant change in body weight among students, the average weight gain was a rather modest 1.6 kg during a typical 4-year college career. Interestingly, this finding is similar to previous estimates suggesting average increases ranging from 1.1. to 2.1 kg in the first year of college.

Thus, the actual average weight gain comes nowhere close to the notorious “15”.

Also, the authors found that most of the weight gain is progressive and continues throughout college – there is little evidence that most of the weight gained (if any) happens in the first year.

Thus, despite individual anecdotal experiences of weight gain, that may sometimes approach or even exceed 15 lbs, there is little scientific basis or reason for concern about the freshman 15.

Or, as the authors put it,

These results suggest that the “Freshman 15” may not pose a significant risk to students’ health, but unhealthy behaviors throughout college may lead to unfavorable changes in body weight, as weight change does not appear to stabilize as previously reported.

Perhaps it is time to put this idea to rest and move on to study issues that may be more important than this.

@DrSharma
Guelph, ON

ResearchBlogging.orgFedewa MV, Das BM, Evans EM, & Dishman RK (2014). Change in Weight and Adiposity in College Students: A Systematic Review and Meta-Analysis. American journal of preventive medicine PMID: 25241201

 

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Call For Abstracts: Canadian Obesity Summit, Toronto, April 28-May 2, 2015

COS2015 toronto callBuilding on the resounding success of Kananaskis, Montreal and Vancouver, the biennial Canadian Obesity Summit is now setting its sights on Toronto.

If you have a professional interest in obesity, it’s your #1 destination for learning, sharing and networking with experts from across Canada around the world.

In 2015, the Canadian Obesity Network (CON-RCO) and the Canadian Association of Bariatric Physicians and Surgeons (CABPS) are combining resources to hold their scientific meetings under one roof.

The 4th Canadian Obesity Summit (#COS2015) will provide the latest information on obesity research, prevention and management to scientists, health care practitioners, policy makers, partner organizations and industry stakeholders working to reduce the social, mental and physical burden of obesity on Canadians.

The COS 2015 program will include plenary presentations, original scientific oral and poster presentations, interactive workshops and a large exhibit hall. Most importantly, COS 2015 will provide ample opportunity for networking and knowledge exchange for anyone with a professional interest in this field.

Abstract submission is now open – click here

Key Dates

  • Notification of abstract review: January 8, 2015
  • Call for late breaking abstracts open: Jan 12-30, 2015
  • Notification of late breaking abstracts and handouts and slides due : Feb 27, 2015
  • Early registration deadline: March 3, 2015

For exhibitor and sponsorship information – click here

To join the Canadian Obesity Network – click here

I look forward to seeing you in Toronto next year!

@DrSharma
Montreal, QC

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