But in case after case, that is simply not happening.  Even though more Americans are "covered by health insurance" than ever before, a new study has found that "about 530,000 families each year are financially ruined by medical bills and sicknesses", and most of those families actually had health insurance.  These days, most health insurance policies closely resemble Swiss cheese because they are so full of loopholes, and health insurance companies have become masters at finding ways to wiggle off the hook.  So every year hundreds of thousands of American families find themselves facing huge medical bills that they did not expect to be paying, and as a result medical expenses are the primary factor in 66.5 percent of all personal bankruptcy filings in the United States…