A new study has revealed that practicing sport for more than an hour day reduces the risk of contracting breast cancer in women of all ages. According to a research presented to the European Breast Cancer Conference in Glasgow women who have the highest level of daily exercise can significantly reduce their risk of contracting breast cancer. The researchers who examined 37 studies about breast cancer concerning more than 4 million women said that exercising is a low-sot and simple strategy to reduce the risk of a disease that currently has a very high cost both to healthcare systems and