It actually depresses me that people actually need educating about such basics area of health. Previous to seeing things like this, I was of the opinioon that all the government healthy eating campaigns were just preaching stuff that we all knew.
I don't know about other people, but I didn't get any home economics or food science etc at school. I don't really know how I learned about what is healthy and waht is not, but it seems like you can hardly avoid the messages nowadays. When I was pregnant with no 1, I read up more about it, and starting shopping better and cooking from scratch because that's what you do when you have kids, don't you? You read up on stuff, and determine to do the best you can for them. I changed mine and DH's eating habits on the basis of what I wnated for my children. I really thought most parents were more clued up (or proactive) than these ones seem to be