The major cause of health deterioration in the US is because most of the kids are living on junk food. None of then take in the sufficient amount of nutrients and the minerals required. They are more towards the junk food and this is the reason why most of them are towards the obese side. It is because of this they are also suffering with a number of chronic disorders which is robbing them of their immunity. As a result they suffer degradation in their health as well as in their life expectancy. This is one of the serious problems that should be considered.