Study: 30-minute exercise boosts cancer-fighting cells

HELSINKI, July 3 (Xinhua) -- A new Finnish study shows that even a 30-minute exercise can increase the proportion of tumor-killing white blood cells in breast cancer patients' bloodstream.

According to a press release published by the University of Turku on Wednesday, twenty breast cancer patients who had just been diagnosed but had not yet started their cancer treatments participated in the study.

During