A new 'runner's high' (IMAGE)
Caption
Boulder-based ultrarunner Heather Mashhoodi runs on the treadmill in 2021 as part of a study exploring how cannabis influences exercise. First author Laurel Gibson, left, takes notes. Study participants used cannabis on their own at home before being picked up and driven to the lab for testing. Credit: Patrick Campbell/CU Boulder
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Patrick Campbell/CU Boulder
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Must credit CU Boulder
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