Bicycling (South Africa)

WHY CYCLING FEELS SO DAMN GOOD!

- – AC Shilton

SCIENCE CONFIRMS what many of us know: your bike is your happy place. When you ride, you get a spike in neurochemi­cals such as serotonin and dopamine that relieve pain and improve mood, says Kim Chronister, a psychologi­st in Los Angeles. You also get a hit of endorphins, which triggers the same receptors in your brain as some pain medicines.

If you’ve ever referred to cycling as your ‘drug’, it won’t surprise you to hear that exercising and smoking dagga may affect the same regions of the brain. In a 2015 study on mice, researcher­s noticed that after running on a wheel, the animals showed less anxious behaviour. But when the scientists blocked their endocannab­inoid receptors (the ones marijuana targets), the mice didn’t seem to get these benefits after exercising. Researcher­s have found similar evidence in human studies. In one, subjects ran or pedalled at a moderate intensity or sat for 50 minutes. Scientists found high blood levels of anandamide – a chemical that binds to endocannab­inoid receptors – in the exercisers but not in sedentary volunteers.

Even better? Habitual exercise creates new dopamine receptors, says Chronister. This means that more of the dopamine you produce actually gets to your brain. Bottom line: ride often, and you’ll always ride happy.

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