Continuing Care Retirement Communities. First published in 1984. "Today there are about 275 continuing care retirement communities (CCRCs) in the United States where some 90,000 elderly people (average age about 80) live independently in their own apartments but have the opportunity for eating together, group recreation, and other activities that comes from being part of an organized community. Most important, in addition to having immediately available a variety of health and social services which they can call on according to their desires and needs, the residents have a virtual guarantee...