Centenarian study.

The Harvard Medical School and the Beth Israel Deaconess Medical Center are recruiting study participants for genetic studies on aging. Researchers are seeking people 100 and older, those who will celebrate their 100th birthdays by the end of 2001, families with living relatives aged 90 and older and with deceased relatives who lived to age 90 and older, and people aged 98 and older and their living brothers and sisters who are at least 90 years old. Those who know of potential study participants may call 888-333-6327.