Everyone is aware that there is an obesity epidemic in the US. I think a large part of it is that we have no sense of what we should be eating. You see enough supersized portions at restaurants, they begin to look normal.
We are supposed to eat 5-6 small meals per day, about 300-400 calories each. Well, I found this great post with pictures. It's called What Do 300 Calorie Meals Look Like? it is very interesting to compare how much you should be eating to how much you are eating.