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A randomized crossover study put 27 older adults through three hours of sitting — broken up with single-task or dual-task walking. Cerebral blood flow and cognition shifted in ways worth dissecting.
A long-running Chinese cohort suggests nighttime sleep and physical activity don't just add up for the aging brain — they multiply. Optimizing one without the other leaves cognitive runway on the table.
A 26-week Canadian study pits creatine, resistance training, and the combination against placebo in older adults with MCI — a rare attempt to test the brain-health story properly.