Obesity is a serious problem and can cause all sorts of complications - it is due to a combination of diet, genetics and exercise. A lot of work is taking place to change the behaviour of individuals by helping them understand at a personal level what they should/shouldn't eat and how they should eat it. I am not confident that this will make much difference = there are other (corporate) interests at stake.
Britain is considering going one step further. There is a serious discussion about giving social workers the right to remove obese children from the home in which they are living with their patent or parent.
Talk about fascism !