Science

Extra weight may be aging your brain faster than you think

A major 24-year study involving more than 8,200 adults suggests that excess body weight may accelerate brain aging, leading to faster declines in memory, concentration, and decision-making skills.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 2, 2026, 1:55 PM UTC

The connection was particularly strong among people over 65, raising concerns about the long-term effects of obesity on brain health.

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