And if the scale really refuses to budge, focus on maintaining your weight loss, as losing nearly 20% of your body weight is fantastic and will significantly improve your health in the long run.

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It is important not to cut carbohydrates significantly on days that you are exercising strenuously, as this will negatively affect your energy level and will probably result in loss of lean body mass (muscle, bone, and water) which can impair weight loss efforts long term.

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As they age rapidly, these children suffer from a loss of body fat and hair and an inability to gain weight.

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The approved labeling for Belviq recommends that the drug be discontinued in patients who fail to lose 5 percent of their body weight after 12 weeks of treatment, as these patients are unlikely to achieve clinically meaningful weight loss with continued treatment.

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This is because they rely on static models of weight loss rather than dynamic models that account for the way the body adjusts to reducing food intake by reducing energy expenditure.

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People taking the lower dose of Qsymia who do not lose 3% of their body weight after 12 weeks are unlikely to achieve a sustained weight loss on the same dose.

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"A lot of patients that I see come in with very high weight loss expectations and very few people say that their goal is only 5% to 10% of their body weight, " she said.

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