It seems like the evidence for exercise doing good things for a woman?s body just keeps getting stronger. And now there?s a lifesaving clinical reason to fit some cardio into your week. Duke University researchers have made an intriguing correlation between fitness levels and a woman?s chances of surviving breast cancer.
Among patients with advanced breast cancer, women with higher cardiopulmonary function survived ?significantly longer? than women with low fitness levels. The women in the Duke study with the highest fitness levels lived 36 months compared to 16 months for their ?low fitness? counterparts.
The researchers were interested in cardiopulmonary fitness levels in their patients because prior studies suggest that, in general, the lung and heart function of breast cancer patients and survivors is significantly lower than their non-afflicted counterparts. It?s believed that chemotherapy drugs and cancer treatment ? while often critically lifesaving ? can impair a woman?s cardiopulmonary function for years after treatment, with many women never returning to levels comparable to even their sedentary peers.
?Fitness level may be an important biomarker of survival among cancer patients,? reports Lee Jones, Ph.D., an associate professor at Duke University and the study?s lead author. He says the research also suggests that exercise may be an important intervention for cancer patients during and after treatment.
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