The cost of health care and health insurance is the biggest health concern among americans, even ahead of cancer and other diseases. changing to a national government health insurance system is controversial an opinion poll will give different results depending on the wording of the question asked for each of the following claims, say whether including it in the question would increase or decrease the percent of a poll sample who support a government health insurance systenm. ebook 1. a national system would mean that everybody has health insurance e 2. a national system would probably require an increase in taxes. 3. eliminating private insurance companies and their profits would reduce a. decrease b. increase insurance costs. 4. a national system would limit the medical treatments available in order to contain costs.