45KiB, 480x320, runners-high-1524250081.jpg View SameGoogleiqdbSauceNAO Runners high Anonymous Wed 11 Mar 15:46:12 2020 No.11459815 ViewReplyOriginalReport Quoted By: >>11459849 >>11459936 >>11460326 If I workout 10 minutes HIT every 30 minutes can I live high? How did evolution develop endogenous opioids?