New findings of research led by Cheryl Thompson, PhD and published in the Breast Cancer Research and Treatment suggest that lack of sleep can be associated with more aggressive breast cancer tumors. Researchers used Oncotype DX testing and found that post-menopausal women are more likely to develop aggressive breast cancer tumors and also have a higher chance of recurrence. However, there was no correlation between sleep and tumor aggressiveness in pre-menopausal women due to a different underlying pathway in breast cancer development. What obstacles prevent you from getting enough sleep and what can you do to overcome them?
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