An organization often referred to in current health care literature (sometimes only by its acronym) because of its intense activity in regard to health legislation, health care financing, access, and quality.
The largest voluntary association of older adults (retired or not) in the U.S., with a membership of more than 30 million. The association lobbies on behalf of its members, sponsors research on aging, operates a mail-order pharmaceutical service, and publishes magazines and other literature for older adults.