The article claims that americans are overweight because of all the cheap unhealthy food that is available everywhere. Our bodies haven't caught up with the abundance of foods were have available like added sugar drinks and potatoes chips. Some researches say the problem is caused by lack of healthy foods. It's easier and cheaper to buy candy than it is to buy an apple. People are more likey to be obsesed if they come from a low income family compare to richer family, they tend to be more healthy.
The researchers used observation through out the years. For an example the researchers observed the body mass index of different ethnic groups, both men and women. And they saw an increase in