Excerpt: Managed care has made strides in helping control overall health care costs in the last decade, and an increasing number of health plans are implementing prevention and wellness and disease management programs that improve the quality of care, but 'the burden of cost on our society created by the uninsured and underinsured continues to damage our ability to provide the best care possible,' says [Allen Schaffer, MD, senior vice president and chief medical officer of Cigna Healthcare].