The 90-year-olds at the cutting edge of brain-ageing research (opens original article in a new tab)

A long-term study tracking brain aging since 1947 involves 90-year-olds who took tests as children, revealing correlations between early cognitive scores and later brain health, with findings influencing future research and brain health initiatives.

• Hamish McKenzie and other 90-year-olds are part of a long-term study tracking brain aging since 1947.
• The study shows cognitive scores from childhood correlate with older age, highlighting pre-existing differences.
• Participants contribute to research on aging, influencing future generations and brain health initiatives.