Despite exposure to many cancer-causing agents or carcinogens in our environment, the human body has a way to repair damaged DNA that can prevent the development of tumours. A new study published November 11, 2008 in the online edition of Proceedings of the National Academy of Sciences of the USA (PNAS), scientists have identified a new biochemical pathway which controls DNA repair.

• Dr. Elliot Drobetsky, Ph.D Associate Professor, Faculty of Medicine at the University of Montreal and Director of research of Immunology/Oncology at the Hôpital Maisonneuve-Rosemont Research Centre