The document discusses how America has become so unhealthy through obesity and chronic diseases. It attributes this to diets high in processed foods and refined grains as well as more sedentary lifestyles. Technological advances like home refrigerators and cars enabled processed foods to replace fresh local foods. Fast food restaurants also became ubiquitous. If obesity rates are not reversed, it will bankrupt the healthcare system and people may start to see reduced lifespans, making the current generation potentially the unhealthiest.