Commentary: The ‘Runner’s High’ May Result from Molecules Called Cannabinoids – the Body’s Own Version of THC and CBD

Woman running on the road

Many people have experienced reductions in stress, pain and anxiety and sometimes even euphoria after exercise. What’s behind this so-called “runner’s high”? New research on the neuroscience of exercise may surprise you.

The “runner’s high” has long been attributed to endorphins. These are chemicals produced naturally in the body of humans and other animals after exercise and in response to pain or stress.

However, new research from my lab summarizes nearly two decades of work on this topic. We found that exercise reliably increases levels of the body’s endocannabinoids – which are molecules that work to maintain balance in the brain and body – a process called “homeostasis.” This natural chemical boost may better explain some of the beneficial effects of exercise on brain and body.

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Biological Male Runner Barred from Women’s Olympics Due to High Testosterone

CeCé Telfer

A biologically male runner has been banned from the women’s 400-meter Olympic hurdle event because the runner did not meet the World Athletics conditions on testosterone levels.

“CeCe [Telfer] has turned her focus towards the future and is continuing to train,” the transgender athlete’s manager said, the Associated Press reported, adding that Telfer will respect the decision. “She will compete on the national — and world — stage again soon.”

Transgender runner Telfer won the NCAA title competing for a women’s team in 2019, according to the AP.

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