The idea that regular exercise has an impact on brain health, including memory, has been reported in many studies and Fernández says the new report adds to the evidence by showing a single session of exercise can aid in memory retention.
The number of people in the study is small, so it’s hard to say whether people should start pacing workouts exactly four hours after learning something important. Still, the study authors argue that their study is a proof of principal that exercise should be considered as a strategy for long-term memory.