Morgan William P
Phys Sportsmed. 1979 Feb;7(2):55-77. doi: 10.1080/00913847.1979.11948436.
A hard-core exercise addict 'can't live' without daily running, manifests withdrawal symptoms if deprived of exercise, and runs even when his physician says he shouldn't.
一个铁杆运动成瘾者没有每日跑步就“活不下去”,如果被剥夺运动就会出现戒断症状,甚至在医生说他不应该跑步的时候仍坚持跑步。