PSYDEAN What running, cycling and any exercise that gets the heart pumping does to the brain. People who are more fit have larger brains, new research concludes. Higher cardio-respiratory fitness is linked to having both more gray matter and white matter.

What running, cycling and any exercise that gets the heart pumping does to the brain.

People who are more fit have larger brains, new research concludes.

Higher cardio-respiratory fitness is linked to having both more gray matter and white matter.