The 13 biggest health and science questions facing the nation

From climate change and fracking, to the role of the federal government in health care and a national independent science advisor: What do the Federal Health Minister and health critics of our major political parties think about the biggest health and science questions facing the nation? Maclean's Science-ish gathered questions from leading Canadian scientists, health researchers and health professionals, and put them to the Federal Health Minister Leona Aglukkaq, the Federal NDP Health Critic Libby Davies and Federal Liberal Health Critic Hedy Fry.