Story perspectives

Exercise Cuts Dementia Risk by 45%, Experts Urge Action

10/20/2025

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Summary

Story summary

Regular physical activity can reduce dementia risk by up to 45%, according to research.
Dr. Arun L. Naik, a Bengaluru neurosurgeon, links leg health to brain function.
Active muscles release brain-derived neurotrophic factor (BDNF) that supports neuron health.
New findings identify high cholesterol and untreated vision loss as modifiable dementia risk factors that account for 49% of global cases.
Experts urge lifestyle changes, including exercise, to mitigate these risks across ages.

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Story summary

Regular physical activity can reduce dementia risk by up to 45%, according to research.
Dr. Arun L. Naik, a Bengaluru neurosurgeon, links leg health to brain function.
Active muscles release brain-derived neurotrophic factor (BDNF) that supports neuron health.
New findings identify high cholesterol and untreated vision loss as modifiable dementia risk factors that account for 49% of global cases.
Experts urge lifestyle changes, including exercise, to mitigate these risks across ages.