Resistance training shields the brain: Study shows lifting weights can reverse early cognitive decline A 2025 study published in GeroScience found that older adults with mild cognitive impairment (MCI) who did supervised strength training twice weekly preserved brain volume in memory-critical regions (hippocampus, precuneus), with some even exhibiting reversed MCI symptoms. Resistance training stimulates myokines, IGF-1 and BDNF production, reducing inflammation, promoting neuron growth and enhancing neuroplasticity—key for memory and learning. Advanced brain scans showed exercisers had stronger neural connections, while non-exercisers experienced deterioration. Bodyweight exercises, resistance bands or daily activities (gardening, carrying groceries) can replicate gym-based benefits—no pharmaceuticals needed. Combining strength training…

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