Maybe the research will lead to new tools to fight drug addiction, alcoholism or obesity. Maybe I’ll be able to get a runner’s high without the sweat.

这些研究也许能让我们找到对付毒品上瘾、酗酒和肥胖的新办法——也有可能让我能够获得跑步时的畅快与兴奋感却不必出一身臭汗。