The rate at which canned foods are being consumed these days is indeed high. Ranging from canned fish to canned beef, to canned tomatoes, to canned milk and the likes. In some countries, they even have their foods in cans; foods such as yam, beans, e.t.c. and these could endanger our health. The dangers associated to eating these foods (whether directly from the can or not) is more than the nutrition/enjoyment gotten from these foods.