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The Baltimore Longitudinal Study of Aging

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America's Longest-Running Study of Human Aging

The National Institute on Aging’s Baltimore Longitudinal Study of Aging (BLSA) answers critical questions about what happens as people get older.
Apply to use BLSA data in your research.
BLSA researchers measure physical and cognitive changes over time.
Learn how you can join the BLSA and make a difference in aging research.
Read about the longest-running study of human aging.
The BLSA began in 1958. Read about its history and timeline.
Learn how the BLSA has furthered our understanding of human aging.
A note of gratitude from BLSA researchers to current participants.
Lessons from the BLSA.
Read the newsletters for research on BLSA research findings.

An official website of the National Institutes of Health