ana coren in tokyo. what's the latest you're hearing? how dangerous is it for a person who consumes any kind of food with those kinds of radioactive levels? >> reporter: well, zain, the government is saying it's not posing an immediate risk to your health. however, we've got some new information coming to us from the government, and that is about the water here in tokyo. we are some 250 kilometers from the fukushima daiichi power plant. however, the government is saying that higher levels of iodine have been found in the drinking water in greater tokyo. of course, that's taking in a population of some 13 million people. and officials are telling parents not to give this water to their children. no to give them to infants. and that is using this in baby formula. the reason being is that the limit for children -- and as far as the science goes, it's measur measured liters as to how much