For decades, the narrative around aging has focused on inevitable decline: slower steps, fuzzier memories and fading strength. But a growing body of research, including a major new Yale University study published this month, shows that's not the full story. Nearly 45% of adults 65 and older actually improved in cognitive abilities, physical function or both over more than a decade — and what they had in common was surprisingly simple: a positive attitude toward getting older.

The study, published in the journal Geriatrics, drew on data from more than 11,000 participants in the long-running Health and Retirement Study, a federally supported project by the University of Michigan and the National Institute on Aging. Researchers tracked changes in cognition through standard tests and physical function via walking speed, a reliable marker of overall fitness and mobility.

Over an average follow-up of about eight years — and up to 12 years for some — 32% showed cognitive gains, 28% improved physically, and many advanced in both areas. When researchers averaged the group, the typical pattern of slight decline appeared. But individual trajectories told a different tale: Improvement wasn't rare or reserved for genetic outliers. It was common among those who started with more positive beliefs about aging.

"Individuals who have taken in more positive age beliefs tend to have a lower stress response and lower stress biomarkers," said lead author Becca Levy, a professor of epidemiology and psychology at Yale. "Because age beliefs are modifiable, there could be a capacity for improvements later in life."

Positive age beliefs —........

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