Center for Positive Aging in Lower Merion. Activities Center for Active Adults 55 Years of Age and Up. Venue in New Braunfels Tx para Bodas, Quinceañeras, Graduaciones, Bailes y más…. SENIOR CITIZEN CENTERThe Palm Center for Positive Aging in Lower Merion (Ardmore, PA)Our mission is to assist adults, 50 years of age and older, to maintain a healthy, satisfying quality of life by providing services and activities in a nurturing environment that enables them to function more independently in the community. The Center is an advocate for unmet needs of older adults and a repository of information to assure them their rights, benefits and opportunities. The PALM is a gathering place where aging is celebrated every day.