11/01/13
Featured
- Anti-ghrelin immunoglobulins modulate ghrelin stability and its orexigenic effect in obese mice and humans.
- The Power of Negative Thinking: Gaining ground in the ongoing struggle to coax researchers to share negative results.
- Liquid calories, energy compensation and weight: what we know and what we still need to learn.
Findings Contrary to Hypotheses or Popular Beliefs
- No association between skipping breakfast and overweight, neither at age 2 nor at age 5, among Dutch children.
- The occupational class gradient in BMI was strong among Finnish employees but absent among Japanese employees.
- Bariatric surgery not associated with hypothesized reduction in opioid use.
- There were no significant relationships found between BMI and parenting style, emotional eating and emotional regulation.
- Low intake of cheese associated with higher prevalence of excess weight.
Video
- SciVee: Belief beyond the evidence: using the presumed effect of breakfast on obesity.
- Prof Claude Bouchard on the Benefits and Detriments of Exercise.
- Prof Steven Blair on Physical Inactivity: The Biggest Public Health Problem of the 21st Century.
- Prof Paul Campos: 2013 Bicknell Lecture - author of 'The Obesity Myth'; with responses from Frank Hu and ABIGAIL C. SAGUY.
- Prof Arya Sharma: Dr. Sharma: How I got into obesity research.
- NAS Sackler Symposium: The Science of Science Communication II.
- SciVee: Evidence-based strategies in weight-loss mobile apps.
Exercise
- Effects of exercise training on gut hormone levels after a single bout of exercise in middle-aged Japanese women.
- Energy Expenditure during Sexual Activity in Young Fit Healthy Couples Together for About 13 Months.
- Meta-analysis: No significant effect of school-based physical activity on BMI, body weight, or blood pressure.
Food
- RCT: Effects of milk as a recovery drink following exercise on subsequent appetite and energy intake in female recreational exercisers.
- Meta-analysis: Equivocal influences of either low-fat or high-fat diets on cardiovascular disease risk factors in overweight or obese patients.
- Sucrose given in soft drinks was partially compensated for by obese women.
Food Away from Home
- The association of fast food consumption with poor dietary outcomes and obesity among children: is it the fast food or the remainder of diet?
- No population level changes were noted in calories purchased or fast food visits after calorie menu labeling.
- Habitual street food intake and subclinical carotid atherosclerosis.
- Food eaten away from home associated with obesity among Korean men but not women.
Drugs
- RCT: Weight and Body Composition Changes During Oral Contraceptive Use in Obese and Normal Weight Women.
- Drug Shows Potential for Obesity-Related Diseases in Mouse Study.
- Study: 2 peptides better than 1 in targeting diabetes, obesity.
- RCT: Effects of Naltrexone Sustained- Release/Bupropion Sustained Release Combination Therapy on Body Weight and Glycemic Parameters in Overweight and Obese Patients With Type 2 Diabetes.
Evolution, Energetics, and Ecology
- The influence of load carrying on the energetics and kinematics of terrestrial locomotion in a diving bird.
- High saturated fat-sucrose feeding affects lactation energetics in control mice and mice selectively bred for high wheel-running behavior.
- Mitochondrial genetics and obesity: evolutionary adaptation and contemporary disease susceptibility.
Psychology
- Impulsivity makes more susceptible to overeating after contextual appetitive conditioning.
- A systematic review of variables associated with the relationship between obesity and depression.
Interpersonal Influences
- Weight Gain among Men and Women Who Have a Child Enter Their Home.
- Going the same ‘weigh’: spousal correlations in obesity in the United Kingdom.
- Energetic Consequences of Human Sociality: Walking Speed Choices among Friendly Dyads.
- Meta-Analysis: Peer Similarity and Influence for Weight-Related Outcomes in Adolescence.
Brain
- Brain-derived neurotrophic factor expression ex vivo in obesity.
- Complex relationship between BMI and white matter characterized by potentially different neuroanatomic vulnerability.
Stigma
- Weight- and race-based bullying: Health associations among urban adolescents.
- Weight stigma consciousness and perceived physical appearance : their key precursors and relationship to health behaviors.
Genetics
- Newborns of obese parents have altered DNA methylation patterns at imprinted genes.
- Meta-analysis: Association between angiotensin-converting enzyme insertion/ deletion gene polymorphism and the risk of overweight/obesity.
Clinical
- RCT: Meal provision was a more effective and accepted method for weight loss over a 12-week period compared to a self-directed diet.
- RCT: Pediatrician-led Motivational Interviewing to Treat Overweight Children.
- Readiness redefined: A behavioral task during screening predicted 1-year weight loss in the look AHEAD study.
- Does bone loss begin after weight loss ends? Results 2 years after weight loss or regain in postmenopausal women.
- Abdominal obesity indicators are stronger predictors for CVD mortality than general obesity indicator of BMI.
- Meta-analysis: Risk of childhood overweight or obesity associated with excessive weight gain during pregnancy.
Surgery
- Bariatric Surgery and Effects on Calcium and Bone Metabolism.
- Executive control circuitry differentiates degree of success in weight loss following gastric-bypass surgery.
- Meta-analysis: Bariatric surgery leads to greater body weight loss and higher remission rates of type 2 diabetes and metabolic syndrome.
Economics and Policy
- There is insufficient evidence that physical education laws reduce student weight gain.
- Systematic Review: The effectiveness of a taxation policy to curb obesity is doubtful and available evidence in most studies is not very straightforward due to the multiple complexities in consumer behavior and the underlying substitution effects.
- Obesity, alcohol misuse and smoking on employment and hours worked: evidence from the Icelandic economic collapse.
- Encouraging Healthful Dietary Behavior in a Hospital Cafeteria: A Field Study Using Theories from Social Psychology and Behavioral Economics.
- Obese employees record more occupational injuries than those with recommended healthy weight.
- Meaningful, measurable, and manageable approaches to evaluating healthy food financing initiatives: an overview of resources and approaches.
- Using Behavioral Economics to Design More Effective Food Policies to Address Obesity.
- Should Extreme Obesity in Children be Considered Child Abuse?
Methods
- A comparison of energy expenditure estimation of several physical activity monitors.
- Identifying accelerometer nonwear and wear time in older adults.
- A modeling approach for compounds affecting body composition.
- Evaluation of a Screening System for Obesogenic Compounds.
- The fat mass index: why its height exponent should be 3 and not 2.
- Profiling motives behind hedonic eating. Preliminary validation of the Palatable Eating Motives Scale.
- Defining metabolically healthy obesity.
Temperature
Brown Fat
- Accurate detection of metabolically active "brown" and "white" adipose tissues with computed tomography.
- Adipose tissue browning and metabolic health.
- Melatonin induces browning of inguinal white adipose tissue in Zucker diabetic fatty rats.
- Cell Nucleus Protein in Brown Fat Cells Governs Daily Control of Body Temperature.
- Oleoylethanolamide enhances ß-adrenergic-mediated thermogenesis and white-to-brown adipocyte phenotype in epididymal white adipose tissue in rat.
Dogs
- Associations between obesity and physical activity in dogs: A preliminary investigation.
- Dogs motivate obese children for physical activity: Key elements of a motivational theory of animal-assisted interventions.
Basic Science
- Renal tubular Sirt1 attenuates diabetic albuminuria by epigenetically suppressing Claudin-1 overexpression in podocytes.
- Interaction Between Energy Homeostasis and Reproduction: Central Effects of Leptin and Ghrelin on the Reproductive Axis.
- Lifelong Caloric Restriction Reprograms Hepatic Fat Metabolism in Mice.
- Waking and sleeping in the rat made obese through a high-fat hypercaloric diet.
- Obesity higher in patients with Clostridium difficile infections.
- Leptin and paraoxonase activity in cord blood from obese mothers.
- Insulin Sensitizing and Anti-Inflammatory Effects of Thiazolidinediones Are Heightened in Obese Patients.
Mathematics
- On the Assessment of Treatment Levels in Relation to BMI Value through Fuzzy Mathematical Modelling.
- Computational model of midbrain dopaminergic neuron activity in ageing and obesity.
Research Enterprise
- Empirical estimates suggest most published medical research is true.
- Empirical evidence for low reproducibility indicates low pre-study odds.
- Inconvenient Truth-Tellers: What Happens When Research Yields Unpopular Findings.
- Science has lost its way, at a big cost to humanity.
- Government-commissioned researchers leaned on by state.
- Some nutrition and diet studies may overstate results.
- More on the crisis in research: Feynman on 'cargo cult science'.
Commentary
- The Irrational Fear of GM Food.
- Increased sugary soda consumption may be balanced by lower caloric intake, study finds.
- The next generation of obesity treatments: Beyond suppressing appetite.
- Communicating About Food: It’s Not All about the Science.
- Arya Sharma: Overstatement of Findings in Nutrition and Obesity Research?
- The Case for Taste Bud Rehab.
- The Race to Redefine Calories: Iconoclasts, Start Your Engines!
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