Margot Robbie's Nutritionist on the #1 Thing People Get Wrong About Weight Loss

If there were an agreed-upon formula for weight loss, it would be to consume fewer calories than you burn. But as Dana James, a Columbia-educated functional nutritionist, food coach, and nutritional therapist, writes for MindBodyGreen, it's a bit more complicated than that. In fact, James believes that's what most people get wrong about weight loss; far more factors influence your body's ability to maintain a healthy weight than simply eating right and working out.

"Weight loss is complex. It's not just food and exercise. The presiding equation of 'calories in, calories out' is woefully inadequate," writes James, whose clients include Margot Robbie and a slew of Victoria's Secret models. "Other factors, such as hormones, sleep, inflammation, the gut microbiome, medication, unexpressed emotions, and genes all influence your ability to lose weight and keep it off."

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This story originally appeared on MyDomaine