Mild cognitive impairment isn't a fixed fate. Even brief bouts of physical activity can re

Well SupportedPhysical activity can rewire the brain, slowing and reversing cognitive decline.

Partially SupportedThe brain responds to physical activity at nearly any intensity, with every session and bit of movement counting towards cognitive health.

Partially SupportedA 45-minute exercise session of light or moderate intensity, performed four times per week for one year, significantly slowed cognitive deterioration and protected against brain shrinkage.

Partially SupportedLight physical activity can preserve the integrity of the entorhinal cortex, which connects the hippocampus to the neocortex.