TV ads touted Cinergy Health's low-cost medical insurance for as little as $5 a day, but the policies promoted by the Aventura, FL-based company delivered far less coverage than the ads promised, say New York state insurance regulators. And after an investigation, Florida insurance regulators also determined that the company that actually writes the policies, American Medical and Life Insurance, defrauded consumers with ads indicating that its limited-benefit health insurance plan offers comprehensive medical coverage.