Sept. 17: Prof. Sylvain Charlebois explains why our food doesn't cost more

What is driving our food prices down? According to this report from Yahoo! Canada Finance, the answers aren't so pretty. Cheaper food prices can often mean that cost-saving additives are present in the products we purchase. Professor Sylvain Charlebois speaks on this issue and the choices we make in the supermarket. Watch "The awful reason our food doesn't cost more."