This episode does a deep dive into an article from the journal GeroScience that details a randomized controlled trial investigating how resistance training impacts the biological aging of the brain in older adults. Researchers utilized resting-state fMRI and machine learning to develop brain clock models, which estimate an individual's "brain age" based on neural connectivity patterns.

Gonzalez-Gomez R, Demnitz N, Coronel C, et al. Randomized controlled trial of resistance exercise and brain aging clocks. GeroScience. Published online February 10, 2026. doi:10.1007/s11357-026-02141-x

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This episodes dissects a paper that analyzes how daily nutritional choices immediately impact objective sleep architecture and nocturnal heart rate using data from thousands of participants. The study identifies two primary "levers" of sleep regulation: dietary composition and meal timing.

Shkolnik M, Sapir G, Shilo S, Talmor-Barkan Y, Segal E, Rossman H. Day-to-day dietary variation shapes overnight sleep physiology: a target-trial emulation in 4.8 thousand person-nights. Preprint. 2025

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This episode does a deep dive into a systematic review that examines the effectiveness of psychosocial interventions in minimizing long-term pain for patients undergoing total knee arthroplasty (TKA). By analyzing fifteen clinical studies, the researchers evaluated various methods such as cognitive-behavioral therapy (CBT), mindfulness, and relaxation techniques to address the psychological drivers of chronic discomfort.

Rojas Marcos C, Schiller N, Braun S, et al. Psychosocial interventions to reduce post operative pain in total knee arthroplasty: a systematic review. HSS J. 2026;22(1):71-79. doi:10.1177/15563316241260717

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