What Happens to Your Brain when You Exercise?

This is your brain on...exercise!

This is your brain on...exercise!

Getting your sweat on does more than just tone the outside of your body-it also causes a series of chemical reactions that help with everything from your mood to your memory. Learning what is happening in your brain can help you use it to your advantage.

1. A smarter brain. When you exercise you are stressing your body's systems. This mild stress starts a chain reaction to repair the damage by causing your brain to generate new neurons, especially in the hippocampus-the area in charge of learning and memory. These denser neural connections lead to a measurable increase in brainpower.