我一直以为只要跑步就有Runner's High，因为我经常有体验到。看了楼下的贴才知道并不一定每个人都有。狗一下RunnerHigh的定义，是这么说的：
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A runner’s high is a feeling of euphoria, relaxation and reduced anxiety during or after any type of aerobic exercise.
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New research suggests it’s caused by endocannabinoids, or chemicals in your body that affect mood by crossing the blood-brain barrier.
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Increase your chance of a runner’s high by varying your workouts and exercising for longer amounts of time.
我的体会也是如此，一般早起跑步后最明显。跑完了感觉浑身的每个细胞都很舒服，既平和又亢奋。整个一上午干什么都很positive。虽然我没体验过大麻，周围很多人都有体验。应该是和吸食大麻后的感觉很类似，毕竟也是由cannabinoids类的物质产生的么。和饮酒和性兴奋还是不一样的。runners high也没有那么addictive，说不跑就不跑了，没觉得失去什么。
