Medicine
The Influence of Physical Exercise on Neurocognitive Aging
Quick fact
One session of moderate aerobic exercise can increase brain-derived neurotrophic factor (BDNF) levels in the blood for up to an hour, and regular exercise can lead to a measurable increase in hippocampus volume by 1–2% over a year.
Why this is interesting
You know exercise keeps your muscles strong—but did you know it can actually remodel your brain, making your memory sharper and your thinking faster even as you age?