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Research · Bones

Nearly half of older adults improve with age

LongevityWatch editors · June 22, 2026 · 2 min

Aging does not inevitably mean decline. A long-term Yale study found that nearly half of adults over 65 improved physically, mentally, or both over time. That challenges a deeply rooted assumption.

The prevailing view is that body and mind inevitably deteriorate as we age. But long-term research among adults over 65 suggests this is not a universal rule. The researchers at Yale followed participants over an extended period and found that nearly half of them functioned better than at the study’s start, in physical health, mental health, or both.

That is a striking result. It indicates that decline in older adults is not inescapable, but linked to a range of factors that are at least partly within reach of influence.

Attitude toward aging matters

One of the most notable findings concerns self-perception around aging. Participants who held more positive attitudes about getting older were significantly more likely to belong to the group that improved. This connects to earlier work on what researchers sometimes call ‘subjective age perception’: the felt sense of how old someone is, independent of calendar age.

The mechanism behind this relationship is not fully understood. Behavioral factors may play a role. People with a more positive outlook on aging may be more active, more socially engaged, and more inclined toward self-care. Biological pathways involving stress regulation are also plausible. The study demonstrates an association; causal inference cannot be drawn from this design.

Implications for longevity research

For the broader field of aging science, this is relevant. Much research focuses on biological brakes on physical decline. This study suggests that psychological factors, including one’s own attitude toward growing older, may be intertwined with those biological processes. Both tracks deserve attention.

How exactly a positive attitude connects to better outcomes, and whether interventions targeting that self-perception actually work, remain open questions for follow-up research. The findings are preliminary, but they point in a clear direction.

Read the original article

What does the evidence say?
Does everyone age at the same rate, or do people truly age at different speeds?
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