Adults with higher cardiorespiratory fitness had significantly lower risks of dementia, depression, and psychotic disorders, showing that your long-term brain health is strongly tied to how efficiently your body uses oxygen during movement
Researchers found that even small improvements in exercise capacity reduced dementia and depression risk, meaning your brain responds to gradual fitness gains long before major physical changes become obvious
Stronger aerobic fitness improved blood flow, stress regulation, mitochondrial energy production, and neuroplasticity, which helps your brain maintain memory, emotional stability, and cognitive resilience as you age
A long-term study that followed adults for more than 26 years found that participants with the highest endurance capacity had a 53% lower dementia risk compared to the least fit group
Consistent aerobic exercise combined with proper recovery, adequate carbohydrates, and daily movement habits helps strengthen cardiorespiratory fitness without triggering the excessive stress and burnout that come from overtraining
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