Photo 2 (IMAGE) National University of Singapore Caption The NUS team found that breast cancer cells are more vulnerable to magnetic field therapy. A 10-minute magnetic field exposure reduced the concentration of DOX – a chemotherapy drug - needed for similar amount of cancer killing by half, particularly at low doses of the drug. Credit NUS Institute for Health Innovation & Technology Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.