The role of diet, weight control and physical activity in breast cancer survivors

Recent advances in breast cancer (BC) treatment and improved screening have resulted in an increasing number of BC survivors. However, since recurrences are still a relatively common event there is a critical need to investigate modifiable factors that could impact disease recurrence and long-term prognosis. There is substantial evidence from observational studies and increasingly from randomized controlled trials, showing that weight management, increased physical activity and dietary modification may be effective methods to improve BC survival and reduce recurrences, due to their interrelated beneficial effects on systemic inflammation, circulating reproductive hormones and metabolic imbalances. Although ongoing randomized controlled trials should be able to confirm the role of these lifestyle factors on BC prognosis, further research is needed to establish specific lifestyle recommendations.

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