Breast cancer survivors are at risk for chronic psychosocial distress that may alter activity of the hypothalamic-pituitary-adrenal axis, resulting in aberrant regulation of cortisol secretion and increased risk of immune dysfunction and cancer progression. Regular yoga practice may be a low-risk, cost-effective way to improve psychosocial functioning, fatigue, and regulation of cortisol secretion in breast cancer survivors. These findings require validation with a larger randomized study.

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Clinicians may need to revise recommendations for using low-calorie diets to achieve weight loss. Diet-induced weight cycling may contribute to dysregulation of metabolism and have long-term detrimental consequences for accumulation of visceral adipose tissue. The likelihood of success is low, with high dropout rates, and those patients who achieve weight loss are very likely to regain it. Thus, the perceived short-term benefits of calorie-restricted diets in this population likely do not outweigh the potential long-term detrimental effects.

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