Endorphins Win: Exercise Boosts Brain

Why Endorphins Make You Feel Great After Exercise

You’ve likely heard of endorphins or the famous “runner’s high”. For many fitness enthusiasts, it’s that unmistakable feel-good moment that kicks in mid-session. But what exactly are endorphins—and why do they matter?

Endorphins are powerful brain chemicals released during pleasurable experiences like laughter, and importantly, during exercise. Surprisingly, they also kick in when we experience pain—like stubbing a toe. That’s because endorphins function as natural pain relievers, which is why they’re also called endogenous (naturally occurring) opioids.

While endorphins are still being researched, it’s well-established that they’re released during physical activity, and the mood-lifting effects are significant. That post-run sense of joy? It’s not just the scenery—it’s a neurological boost that lifts your spirits and reduces stress.

However, to really feel the impact, your workout needs to be of moderate to vigorous intensity. Moderate exercises include brisk walking, gardening, or light cycling. Vigorous activity includes running, rugby, CrossFit or intense cycling sessions.

Because endorphins enhance our mood, they’re also believed to ease stress and anxiety. So whether it’s a trail run, a gym session, or a scenic road cycle, remember: movement is medicine for both body and mind.

The benefits go beyond the physical. With regular exercise, endorphins may help to reduce inflammation, alleviate depression, improve overall mood, and provide an overall boost to mental wellbeing.

So next time you lace up your shoes and step outside, know that it’s not just your legs doing the work—your brain is cashing in too.