Exercise is consistently one of the strongest lifestyle factors linked to brain health, but the research increasingly points to differences between types of movement and what each contributes.
Aerobic exercise
Sustained aerobic activity — brisk walking, running, cycling, swimming — shows the strongest and most consistent link to increased hippocampal volume and improved memory performance, largely through increased blood flow and elevated levels of brain-derived neurotrophic factor.
Resistance training
Strength training, once assumed to be mainly relevant to muscle, is independently associated with improved executive function — planning, decision-making, and cognitive flexibility — in several controlled studies, even when aerobic activity is held constant.
Coordination-based activity
Activities requiring balance and coordination, such as dance or racquet sports, engage additional brain regions related to spatial processing and motor learning, offering benefits distinct from either aerobic or resistance training alone.
A practical takeaway
Rather than searching for one ideal exercise, combining types — some aerobic activity, some resistance training, occasional coordination-based movement — appears to offer broader cognitive benefit than focusing on a single mode exclusively.