Based on the context and the answer, generate a question. 

Context: On the other hand , if the review had told readers that the projected debt is equal to 6 percent of future income , then nearly all readers would be able to understand its meaning . Using the $ 53 trillion figure is an effective way to scare people , but not to inform them . Perhaps more importantly , virtually the whole debt story is due to projections of exploding health care costs . If per person health care costs in the United States followed the cost path in Germany , Canada , or any other country with better health outcomes than the United States , then the debt problem would be relatively minor .

Answer:

he is concerned about the healthcare of the United States



why is he concerned about the health care reviews ?