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Does Physical Activity Calorie Equivalent Labeling Make Sense?

One of the most common misconceptions in the simplistic “eat less – move more” narrative, is equating the calories in a food with the amount of work that would be needed to burn those calories (e.g. X potato chips equal y minutes of riding your bike). Not only are things rarely that simple (given that individual “fuel efficiency” varies widely based on size, age, cond… Read More »

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Environmental Factors Affect the Heritability of Obesity

To anyone, who understands genetics, this heading is simply common sense. Unfortunately, most people have rather simplistic views of genetics – either you have a gene for disease X and you get it, or you don’t have the gene for disease X and so you’re safe. In reality, this is not at all how genetics works (with the few rare exceptions of single-gene disorders – and even th… Read More »

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Do Do-It-Yourself Interventions For Obesity Work?

Given that most people do not look at obesity as a chronic disease that requires professional management, the most common approach to losing weight is still for people to try to lose weight on their own. But just how effective are these do-it-yourself approaches to weight management? This is the topic of a systematic review and meta-analysis by Jamie Hartmann-Boyce and colleagues from Oxford Unive… Read More »

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Does The Media Depiction Of Obesity Hinder Efforts To Address It?

A study by Paula Brochu and colleagues, published in Health Psychology, suggests that the often unflattering depiction of people living with obesity in the media (as in the typical images of headless, dishevelled, ill-clothed individuals, usually involved in stereotypical activities – holding a hamburger in one hand and a large pop in the other or pinching their “love handles”), … Read More »

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The 3,500 Cal Per Pound Weight-Loss Fallacy And Why Even Experts Get This Wrong

One of the most common fallacies about weight loss is that simply cutting your caloric intake by 500 Cal per day should result in a 1 lb weight loss per week. This fallacy is based on the rathe simplistic notion that because 7 x 500 arithmetically happens to equal 3,500 Cal, which just happens to be approximately the caloric content of 1 lb of fat tissue, a reduction in weekly energy intake of 3,5… Read More »

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