Why your fitness tracker may not be your friend

A large-scale weight loss study, just published in JAMA, the journal of the American Medical Association, raises questions about how fitness trackers influence weight loss and eating behavior. It found that over a 24 month period, people who did NOT use a fitness tracker lost nearly TWICE as much weight […]

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The science of weight loss

Whether your metabolism is slow or fast, you can lose weight if you know what to do. People often talk about the speed of their metabolism, but do you know what “metabolism" really means? Metabolism Explained About 70% of the calories you burn each day go toward merely keeping you [...]
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Biggest Losers are not Best Losers

Recent media coverage of a new study of contestants on NBC’s reality television show The Biggest Loser, published in the journal Obesity, raises serious concerns about drawing conclusions from a single study of 14 individuals, no matter how dramatic the results may be. The study tracked the lives of contestants […]

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Dr. Roberts on Exercise and Weight Loss

I don’t generally comment on epidemiological studies – the results are so influenced by what participants choose to do and how willing and able they are to accurately report, that they often come up with false conclusions. However, a study published this week on exercise in identical twins received such […]

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