U.S. employers are increasingly tying the medical premiums paid by employees to their performance on certain tests of health.  The overall goal, according to plan participants, is to lower costs by encouraging employees to take charge of their own health decisions, says USA Today. An extremely advanced example of such a model is provided by the Swiss Village Retirement Community in Berne, Indiana.  At Swiss Village, workers get $500 off their deductible for each of these measures: Not smoking. Having [...]