A single exercise session may slow cancer cell growth, new study shows

Exercising muscles pumps out substances that can suppress the growth of breast cancer cells, according to an important new study of exercise and cancer.

The study, published last month, involved 32 women who’d survived breast cancer. After a single session of interval training or weightlifting, their blood contained higher levels of certain molecules, and those factors helped put the brakes on laboratory-grown breast cancer cells.

“Our work shows that exercise can directly influence cancer biology, suppressing tumor growth through powerful molecular signals,” said Robert Newton,

Source comment the deputy director of the Exercise Medicine Research Institute at Edith Cowan University in Perth, Australia, and senior author of the new study.

His group’s experiment adds to mounting evidence that exercise upends the risks of not only developing but also surviving cancer. Past research indicates that exercise helps some cancer survivors avoid recurrence of their disease. The new study offers an explanation of how, showing that exercise changes the inner workings of our muscles and cells, although more study is still needed.

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